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<article article-type="review-article" dtd-version="1.0" xml:lang="HR" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">LV</journal-id>
<journal-id journal-id-type="nlm-ta">Lijec Vjesn</journal-id>
<journal-title-group>
<journal-title>Lijecnicki Vjesnik</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Lijec. Vjesn.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="ppub">0024-3477</issn>
<issn pub-type="epub">1849-2177</issn>
<publisher><publisher-name>Croatian Medical Association</publisher-name></publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="publisher-id">LV-142-64</article-id>
<article-id pub-id-type="doi">10.26800/LV-142-3-4-12</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Review</subject></subj-group>
</article-categories>
<title-group>
<article-title>COVID&#x2013;19 i djeca</article-title>
<trans-title-group xml:lang="en">
<trans-title>COVID-19 and children</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2779-4651</contrib-id><name><surname>Bleki&#x0107;</surname><given-names>Mario</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mi&#x0161;ki&#x0107;</surname><given-names>Bla&#x017E;enka</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kljai&#x0107; Bukvi&#x0107;</surname><given-names>Bla&#x017E;enka</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib>
<aff id="aff1"><label>1</label>Odjel za pedijatriju Op&#x0107;e bolnice &#x201E;Dr. Josip Ben&#x010D;evi&#x0107;&#x201C;, Slavonski Brod</aff>
<aff id="aff2"><label>2</label>Slu&#x017E;ba za internisti&#x010D;ke djelatnosti Op&#x0107;e bolnice &#x201E;Dr. Josip Ben&#x010D;evi&#x0107;&#x201C;, Slavonski Brod</aff>
<aff id="aff3"><label>3</label>Fakultet za dentalnu medicinu i zdravstvo Osijek Sveu&#x010D;ili&#x0161;ta Josip Juraj Strossmayer u Osijeku, <addr-line>Osijek</addr-line></aff>
<aff id="aff4"><label>4</label>Medicinski fakultet Osijek Sveu&#x010D;ili&#x0161;ta Josip Juraj Strossmayer u Osijeku, <addr-line>Osijek</addr-line></aff>
</contrib-group>
<author-notes><corresp id="cor1">Adresa za dopisivanje: Dr. sc. Mario Bleki&#x0107;, dr. med., <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0002-2779-4651">https://orcid.org/0000-0002-2779-4651</ext-link> Odjel za pedijatriju Op&#x0107;e bolnice &#x201E;Dr. Josip Ben&#x010D;evi&#x0107;&#x201C;, Ul. Andrije &#x0160;tampara 42, 35000 Slavonski Brod, e-po&#x0161;ta: <email xlink:href="blekic1978@yahoo.com">blekic1978@yahoo.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>05</month><year>2020</year></pub-date>
<volume>142</volume>
<issue>3-4</issue>
<fpage>64</fpage>
<lpage>74</lpage>
<permissions>
<copyright-year>2020</copyright-year>
<copyright-holder>Croatian Medical Association</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by-nc-nd/4.0/" specific-use="CC BY-NC-ND 4.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND) 4.0 License.</license-p></license>
</permissions>
<abstract>
<title>SA&#x017D;ETAK</title>
<p>Novi koronavirus, nazvan virus te&#x0161;kog respiratornog sindroma (engl. <italic>Severe Acute Respiratory Syndrome Coronavirus-2</italic>, SARS-CoV-2), identificiran je u prosincu 2019. godine. U sljede&#x0107;im mjesecima, zahvaljuju&#x0107;i obilje&#x017E;jima brzog i lakog prijenosa infekcije me&#x0111;u ljudima, SARS-CoV-2 doveo je do pandemije s vi&#x0161;e od 2.000.000 oboljelih i vi&#x0161;e od 100.000 smrti. Bolest uzrokovana virusom SARS-CoV-2 nazvana je koronavirusna bolest 2019 (engl. <italic>Coronavirus disease 2019</italic>, COVID-19), a obilje&#x017E;ena je op&#x0107;im simptomima infekcije koji su pra&#x0107;eni upalnim promjenama donjih di&#x0161;nih putova. U manjeg broja inficiranih, ponajprije osoba starije &#x017E;ivotne dobi s komorbiditetima, bolest napreduje ka akutnom respiratornom distresu, vi&#x0161;estrukom zatajenju organa i letalnom ishodu. Epidemiolo&#x0161;ka izvje&#x0161;&#x0107;a prikazuju mali postotak djece me&#x0111;u oboljelim osobama (&#x2264;5%). Djeca imaju laboratorijske dokaze infekcije virusom ili bla&#x017E;e do umjereno te&#x0161;ke klini&#x010D;ke slike, s ne&#x0161;to bla&#x017E;im radiolo&#x0161;ki potvr&#x0111;enim upalnim promjenama u plu&#x0107;ima nego odrasli i rijetkim letalnim ishodima. Uo&#x010D;eno je kako su jednako osjetljiva na infekciju kao i odrasle osobe, ali nije do kraja razja&#x0161;njeno za&#x0161;to ostaju asimptomatski odnosno imaju blage do umjereno te&#x0161;ke oblike COVID-19. Uzroci se tra&#x017E;e u me&#x0111;udjelovanju izme&#x0111;u doma&#x0107;inovih imunolo&#x0161;kih snaga i patogenetskih mehanizama virusa. Dje&#x010D;ja dob je obilje&#x017E;ena virusnim infekcijama i cijepljenjem koji pru&#x017E;aju kri&#x017E;nu imunost odnosno reaktivnost prema drugim patogenima, pove&#x0107;anim brojem limfocita te pove&#x0107;anom ekspresijom angiotenzin konvertiraju&#x0107;eg enzima 2 (engl. <italic>angiotensin converting enzyme 2</italic>, ACE2). Smatra se kako bi navedena obilje&#x017E;ja dje&#x010D;je dobi mogla pru&#x017E;iti za&#x0161;titu od te&#x017E;ih i letalnih oblika COVID-19. I u novoro&#x0111;ena&#x010D;koj dobi postoji mogu&#x0107;nost infekcije i razvoja razli&#x010D;itih oblika bolesti. Detaljnim analizama amnionske teku&#x0107;ine, krvi iz pupkovine i maj&#x010D;inog mlijeka za sada nije dokazan vertikalni prijenos infekcije s majke na dijete. Novoro&#x0111;en&#x010D;ad i dojen&#x010D;ad, posebice s komorbiditetima, zbog imunolo&#x0161;ke nezrelosti i nedostatka kri&#x017E;ne imunosti ugro&#x017E;enija su razvojem koronavirusne bolesti. U tijeku trajanja pandemije neophodno je strogo provoditi protektivne mjere protiv &#x0161;irenja infekcije, tra&#x017E;iti prve znakove bolesti kako bi se &#x0161;to ranije zapo&#x010D;elo primjereno lije&#x010D;enje.</p>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<p>The new coronavirus, called the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was identified in December 2019. In the following months SARS-CoV-2 has led to a pandemic with over 2,000,000 confirmed cases and 100,000 deaths. The disease caused by SARS-CoV-2, called the coronavirus disease 2019 (COVID-19), is characterized by general symptoms of infection, which are accompanied with inflammatory changes in the lower respiratory tract. In a small number of infected people, most notably the elderly with comorbidities, the disease progresses to acute respiratory distress and multiple organ failure with lethal outcome. Epidemiological reports, however, show a small percentage of children among the sick: up to 5%. Children tend to have laboratory evidence of virus infection or mild to moderately severe clinical presentations, with slightly milder radiological changes in the lungs than adults, and with rare lethal outcomes.. It has been observed that children are as susceptible to infection as adults, but it is not fully understood why they remain asymptomatic, or have mild forms of COVID-19. The causes for that are sought in the interaction between the host immune forces and the pathogenic mechanisms of the virus. Childhood is characterized by viral infections and vaccinations that provide cross-immunity and reactivity to other pathogens, increased lymphocyte counts and increased expression of angiotensin converting enzyme 2 (ACE2). It is considered that the characteristics mentioned above could provide protection against the more severe forms of COVID-19. When it comes to the newborns, analyses of amniotic fluid, cord blood and breast milk have not yet demonstrated the vertical transmission of infection from mother to child. While the pandemic lasts, it is necessary to implement strict protective measures against the spreading of the disease, and to look for the first signs of the disease in order to start the appropriate treatment as soon as possible.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori INFEKCIJE KORONAVIRUSOM &#x2013; dijagnoza, epidemiologija, lije&#x010D;enje</kwd><kwd>VIRUSNA PNEUMONIJA &#x2013; dijagnoza, lije&#x010D;enje</kwd><kwd>DJECA</kwd><kwd>PANDEMIJA</kwd><kwd>BETAKORONAVIRUS</kwd><kwd>ANGIOTENZIN KONVERTIRAJU&#x0106;I ENZIM</kwd><kwd>VIRUSNA RNK</kwd><kwd>VERTIKALNI PRIJENOS INFEKCIJE</kwd><kwd>INFEKTIVNE KOMPLIKACIJE U TRUDNO&#x0106;I</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>CORONAVIRUS INFECTIONS &#x2013; diagnosis, epidemiology, therapy</kwd><kwd>PNEUMONIA, VIRAL &#x2013; diagnosis, therapy</kwd><kwd>CHILD</kwd><kwd>PANDEMICS</kwd><kwd>BETACORONAVIRUS</kwd><kwd>RNK, VIRAL</kwd><kwd>PEPTIDYL-DIPEPTIDASE A</kwd><kwd>INFECTIOUS DISEASE TRANSMISSION, VERTICAL</kwd><kwd>PREGNANCY COMPLICATIONS, INFECTIOUS</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Porodicu <italic>Coronaviridae</italic> &#x010D;ine veliki virusi ovijeni lipidnom ovojnicom koji sadr&#x017E;e jednolan&#x010D;anu ribonukleinsku kiselinu (RNK), a mogu se podijeliti u 4 podskupine: alfa (&#x03B1;), beta (&#x03B2;), delta (&#x03B4;) i gama (&#x03B3;). Na vanjskoj povr&#x0161;ini virusa nalaze se proteinski &#x0161;iljci pa izgledom podsje&#x0107;aju na krunu, po &#x010D;emu su i dobili naziv. Poznato je da infekcije u ljudi uzrokuju &#x03B1; i &#x03B2; koronavirusi, stoga ih i nazivamo ljudskim koronavirusima (engl. <italic>Human Coronaviruses</italic>, HCoVs) (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>). Prvi put su identificirani sredinom 1960-ih. &#x010C;etiri HCoV-a (HCoV 229E [&#x03B1;], NL63 [&#x03B1;], OC43 [&#x03B2;] i HKU1 [&#x03B2;]) su endemi&#x010D;ni &#x0161;irom svijeta i &#x010D;ine kod odraslih 10% do 30% infekcija gornjih di&#x0161;nih putova (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>). Iako se zbog njihovih blagih klini&#x010D;kih slika kod ljudi HCoV-e dugo smatralo bezopasnim patogenima, u po&#x010D;etku 21. stolje&#x0107;a, kroz dvije velike epidemije s alarmantnim morbiditetom i mortalitetom koje su bile uzrokovane s jo&#x0161; dva tipa &#x03B2; koronavirusa (2002./2003. te&#x0161;ki akutni respiratorni sindrom (engl. <italic>Severe acute respiratory syndrome</italic>, SARS-CoV) i 2012. bliskoisto&#x010D;ni respiratorni sindrom (engl. <italic>Middle East respiratory syndrome</italic>, MERS-CoV) to mi&#x0161;ljenje se promijenilo. Od prosinca 2019. do velja&#x010D;e 2020. godine jo&#x0161; je jedan, novi, sedmi, vrlo visoko patogen koronavirus iz podskupine &#x03B2; (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>), nazvan novi koronavirus 2019 (2019-nCoV, od engl. <italic>novel coronavirus</italic>), prouzrokovao desetke tisu&#x0107;a bolesti i tisu&#x0107;e smrti. Me&#x0111;unarodni odbor za taksonomiju virusa nazvao je ovaj virus SARS-Cov-2, zbog &#x010D;injenice da je virus varijanta virusa koji je uzrokovao SARS. Njegovo &#x0161;irenje me&#x0111;u ljudima jo&#x0161; je u tijeku i brzo se razvija, a upitan je kona&#x010D;an opseg pandemije. Bolest povezanu s infekcijom SARS-CoV-2 Svjetska zdravstvena organizacija (SZO) imenovala je 11. velja&#x010D;e 2020. kao koronavirusna bolest 2019 (engl. <italic>Coronavirus disease 2019</italic>, COVID-19). Pojava SARS-CoV-2 privukla je globalnu pa&#x017E;nju, a SZO je proglasila COVID-19 javnozdravstvenom hitno&#x0161;&#x0107;u od me&#x0111;unarodne va&#x017E;nosti (engl. <italic>public health emergency of international concern</italic> &#x2013; PHEIC) (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>). Unato&#x010D; &#x0161;irenju virusa u cijelom svijetu, i dalje su, posebno me&#x0111;u djecom, jo&#x0161; nedovoljno jasni epidemiolo&#x0161;ki obrasci i klini&#x010D;ka slika COVID-19. U <xref ref-type="table" rid="t1">Table 1</xref> naveden je popis stru&#x010D;nih radova (prikazi djece oboljele od COVID-19) objavljenih u medicinskoj bibliografskoj bazi podataka PubMed do 1. travnja 2020. godine.</p>
<table-wrap id="t1" position="float">
<label>Table 1</label><caption><title>List of professional papers (case reports /serial of children cases with COVID-19) in the medical bibliographic database PubMed published by 1<sup>st</sup> of April, 2020</title>
</caption>
<table frame="hsides" rules="groups">
<col width="8.22%"/>
<col width="6.22%"/>
<col width="7%"/>
<col width="7%"/>
<col width="12.05%"/>
<col width="17.5%"/>
<col width="8.55%"/>
<col width="33.46%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Datum objave<break/>/ Date of publication</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Dr&#x017E;ava<break/>/State</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Broj djece<break/>/Number of children</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Prvi autor<break/>/First author</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x010C;asopis<break/>/Journal</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Doi</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Dob djece<break/>/Age of children</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Naslov<break/>/Title</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">1. 4. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Iran</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kamali Aghdam, M</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1080/23744235.2020.1747634</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Novel coronavirus in a 15-day-old neonate with clinical signs of sepsis, a case report.</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">26. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Dong, L</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">JAMA</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1001/jama.2020.4621</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Possible Vertical Transmission of SARS-CoV-2 From an Infected Mother to Her Newborn</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">26. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Zeng, L</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">JAMA Pediatrics</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1001/jamapediatrics.2020.0878</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Neonatal Early-Onset Infection With SARS-CoV-2 in 33 Neonates Born to Mothers With COVID-19 in Wuhan, China</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">25. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">36</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Qui, H</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lancet: Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1016/S1473-3099(20)30198-5</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1&#x2013;16 godina/year</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical and epidemiological features of 36 children with coronavirus disease 2019 (COVID-19) in Zhejiang, China: an observational cohort study</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">25. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">9</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Su, L</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Emerging Microbes and Infections</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1080/22221751.2020.1744483</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">11 mj./mo&#x2013;9 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">The different clinical characteristics of corona virus disease cases between children and their families in China &#x2013; the character of children with COVID-19</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">24. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Yu, N</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lancet: Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1016/ S1473-3099(20)30176-6</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical features and obstetric and neonatal outcomes of pregnant patients with COVID-19 in Wuhan, China: a retrospective, single-centre, descriptive study</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">24. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">UK</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">NA</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Davies, N</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxiv</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.24.20043018</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">/</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Age-dependent effects in the transmission and control of COVID-19 epidemics</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">24. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">25</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Zheng, F</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Current Medical Science</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1007/s11596-020-2172-6</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1 mj./mo &#x2013;14 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical Characteristics of Children with Coronavirus Disease 2019 in Hubei, China</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">22. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lou, X</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Journal of Paediatrics and Child Health</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1111/jpc.14871</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">6 mj./mo &#x2013;8 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Three children who recovered from novel coronavirus 2019 pneumonia</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">21. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">4</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Liu H</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Journal of Infection</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1016/j.jinf.2020.03.007</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">11 mj./mo &#x2013;9 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical and CT imaging features of the COVID-19 pneumonia: Focus on pregnant women and children</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">20. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Italija/Italy</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">D&#x2019;Antiga, L</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Liver transplantation</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1002/lt.25756</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">/</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Coronaviruses and immunosuppressed patients. The facts during the third epidemic</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">18. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">SAD</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">123</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Bialke, S</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">CDC + Morb Mortal Wkly Rep</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.15585/mmwr.mm6912e2</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">0&#x2013;19 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Severe Outcomes Among Patients with Coronavirus Disease 2019 (COVID-19) &#x2014; United States, February 12&#x2013;March 16, 2020</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">18. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">171</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lu, X</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">NEJM</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1056/NEJMc2005073</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1 dan/day&#x2013;15 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">SARS-CoV-2 Infection in Children</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">17. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Cui, Y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Journal of Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">10.1093/infdis/jiaa113</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">55 dana/years</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">A 55-Day-Old Female Infant Infected With 2019 Novel Coronavirus Disease: Presenting With Pneumonia, Liver Injury, and Heart Damage</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">17. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Italija/Italy</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">250</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Livingston</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lancet</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1001/jama.2020.4344</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">0&#x2013;18 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Coronavirus Disease 2019 (COVID-19) in Italy</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">17. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">2</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Fan, C</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Clinical Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1093/cid/ciaa226</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Perinatal Transmission of COVID-19 Associated SARS-CoV-2: Should We Worry?</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">16. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">2</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Ji, L</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">World Journal of Pediatrics</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1007/s12519-020-00356-2</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">9&#x2013;15 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical features of pediatric patients with COVID-19: a report of two family cluster</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">16. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">34</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Zhang, C</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxIV</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.12.20034686</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1&#x2013;144 mj./mo</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical Characteristics of 34 Children with Coronavirus Disease-2019 in the West of China: a Multiple-center Case Series</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">16. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Chen, Y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Frontiers in Paediatrics: Neonatology</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.3389/fped.2020.00104</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Infants Born to Mothers With a New Coronavirus (COVID-19)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">15. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Ju&#x017E;na Koreja/South Korea</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">480</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Choe, Y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxIV</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.15.20036368</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">0&#x2013;19 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Coronavirus disease-19: The First 7,755 Cases in the Republic of Korea</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">13. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Xing, Y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxIV</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.11.20033159</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1.5&#x2013;6 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Prolonged presence of SARS-CoV-2 in feces of pediatric patients during the convalescent phase</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">13. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Xu, Y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Nature Medicine</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1038/s41591-020-0817-4</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">2&#x2013;188 mj./mo</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Characteristics of pediatric SARS-CoV-2 infection and potential evidence for persistent fecal viral shedding</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">13. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Japan</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">7</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Mizumoto, K</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxIV</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.09.20033142</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">0&#x2013;19 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Age specificity of cases and attack rate of novel coronavirus disease (COVID-19)</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">13. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">17</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Li, N</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxIV</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.10.20033605</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Maternal and neonatal outcomes of pregnant women with COVID-19 pneumonia: a case-control study</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">12. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Wang, S</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Clinical Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1093/cid/ciaa225</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">A Case Report of Neonatal 2019 Coronavirus Disease in China</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">12. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">6</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Liu, W</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">NEJM</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1056/NEJMc2003717</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1&#x2013;7 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Detection of Covid-19 in Children in Early January 2020 in Wuhan, China</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">11. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">5</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Li, W</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Pediatric Radiology</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1007/s00247-020-04656-7</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10 mj./mo &#x2013;6 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Chest computed tomography in children with COVID-19 respiratory infection</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">5. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">20</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Xia, W</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Pediatric Pulmonology</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1002/ppul.24718</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1 dan/day&#x2013;14 g./y i 7 mj./mo</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical and CT features in pediatric patients with COVID&#x2010;19 infection: Different points from adults</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">1. 3. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">2143</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Dong, Y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Pediatrics</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">10.1542/peds.2020-0702</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">0&#x2013;18 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">Epidemiology of COVID-19 Among Children in China</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">28. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Cai, J</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Clinical Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1093/cid/ciaa198</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3&#x2013;131 mj./mo</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">A Case Series of children with 2019 novel coronavirus infection: clinical and epidemiological features</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">28. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Singapur/Singapore</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kai-qian, K</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Clinical Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1093/cid/ciaa201</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">6 mj./mo</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">A Well Infant With Coronavirus Disease 2019 With High Viral Load</td>
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<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">28. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Wang, X</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Clinical Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1093/cid/ciaa200</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">A Case of 2019 Novel Coronavirus in a Pregnant Woman With Preterm Delivery</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">25. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">31</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Chen, C</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lancet</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.2139/ssrn.3546071</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1.5&#x2013;17 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Coronavirus Disease-19 Among Children Outside Wuhan, China</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">24. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">20</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Bi, Q</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">MedRxIV</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1101/2020.03.03.20028423</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">0&#x2013;19 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Epidemiology and Transmission of COVID-19 in Shenzhen China: Analysis of 391 cases and 1,286 of their close contacts</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">24. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">965</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Wu, Z</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">JAMA</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1001/jama.2020.2648</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">0&#x2013;19 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Characteristics of and Important Lessons From the Coronavirus Disease 2019 (COVID-19) Outbreak in China</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">19. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">2</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Xu, XW</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">BMJ</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1136/bmj.m606</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10&#x2013;11 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical findings in a group of patients infected with the 2019 novel coronavirus (SARS-Cov-2) outside of Wuhan, China: retrospective case series</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">19. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Pan, X</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lancet: Infectious Diseases</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1016/S1473-3099(20)30114-6</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">3 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Asymptomatic cases in a family cluster with SARS-CoV-2 infection.</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">14. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">9</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Wei, M</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">JAMA</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1001/jama.2020.2131</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">1&#x2013;11 mj./mo</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Novel Coronavirus Infection in Hospitalized Infants Under 1 Year of Age in China</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">12. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">9</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Chen, H</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Lancet</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.1016/S0140-6736(20)30360-3</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical characteristics and intrauterine vertical transmission potential of COVID-19 infection in nine pregnant women: a retrospective review of medical records</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">10. 2. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Zhu, H</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">Translational Paediatrics</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">10.21037/tp.2020.02.06</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">novoro&#x0111;en&#x010D;e/newborn child</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">Clinical analysis of 10 neonates born to mothers with 2019-nCoV pneumonia</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">24. 1. 2020.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Kina/China</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">1</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Fuk-Woo Chan, J</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">Lancet</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">10.1016/S0140-6736(20)30154-9</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">10 g./y</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster</td>
</tr>
</tbody></table></table-wrap>
<sec sec-type="other1">
<title>Epidemiologija</title>
<p>Podatci o u&#x010D;estalosti COVID-19 u dje&#x010D;joj populaciji dostupni su iz epidemiolo&#x0161;kih izvje&#x0161;taja zemalja s najve&#x0107;im brojem oboljelih. U izvje&#x0161;&#x0107;ima se uo&#x010D;ava mali udio djece svih dobi me&#x0111;u njima. U Kini su djeca do 18 godina &#x010D;inila 2&#x2013;5% ukupnog broja bolesnika s COVID-19 (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r6"><italic>6</italic></xref>), u Italiji 1,2% (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>), a u Sjedinjenim Ameri&#x010D;kim Dr&#x017E;avama 2% (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>). U Republici Hrvatskoj, prema prvim izvje&#x0161;tajima Hrvatskog zavoda za javno zdravstvo (HZJZ, 5. travnja 2020.), me&#x0111;u oboljelima je bilo 2,2% djece do 10 godina, a djece i mladih do 20 godina bilo je 5%. (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>) Prema najve&#x0107;oj retrospektivnoj studiji, koja je provedena u Kini, nije uo&#x010D;ena razlika me&#x0111;u spolovima u djece. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) Prema procjenama SZO-a smrtnost od COVID-19 iznosi 3,4% (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>), dok se kod djece opisuju pojedina&#x010D;ni slu&#x010D;ajevi (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). Mortalitet od COVID-19 u odraslih, kao pokazatelj te&#x017E;ine bolesti, razlikuje se me&#x0111;u dr&#x017E;avama jer metodologija prijavljivanja mortaliteta od COVID-19 u odraslih nije do kraja definirana i uniformirana me&#x0111;u razli&#x010D;itim zemljama, precizniji podatci se o&#x010D;ekuju kada se retrospektivno proanaliziraju podatci na kraju pandemije (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>, <xref ref-type="bibr" rid="r14"><italic>14</italic></xref>). Izostanak pedijatrijskih bolesnika s COVID-19 u usporedbi s brojem oboljelih odraslih osoba zbunjuje klini&#x010D;are, epidemiologe i znanstvenike, a zbog relativno malog broja pedijatrijskih bolesnika s COVID-19 problemi nisu jasno definirani i nedostaju strategije zbrinjavanja bolesne djece.</p>
</sec>
<sec sec-type="other2">
<title>Na&#x010D;in prijenosa i dijagnostika virusa</title>
<p>Infekcija SARS-CoV-2 mo&#x017E;e uzrokovati niz respiratornih simptoma, &#x0161;to ukazuje kako virus najvjerojatnije inficira respiratorne epitelne stanice i &#x0161;iri se uglavnom di&#x0161;nim putovima s &#x010D;ovjeka na &#x010D;ovjeka. &#x0160;irenje virusa se doga&#x0111;a uskim kontaktom s zara&#x017E;enom osobom kada je ta osoba izlo&#x017E;ena ka&#x0161;ljanju, kihanju (respiratornim kapljicama ili aerosolu). Aerosol mo&#x017E;e prodrijeti u ljudsko tijelo (plu&#x0107;a) udisanjem kroz nos ili usta te kroz epitel konjunktive (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>&#x2013;<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>). Virus SARS-CoV-2, poput drugih &#x03B2; koronavirusa, koristi angiotenzin konvertiraju&#x0107;i enzim 2 (engl. <italic>angiotensin converting enzyme 2</italic>, ACE2) za ulazak u stanicu. ACE2 je membranski protein, eksprimiran u vi&#x0161;e razli&#x010D;itih stanica, poput stanica crijeva, vaskularnog endotela i bubrega, a blokada ove molekule razmatra se u kontroli infekcije i te&#x017E;ine bolesti uzrokovane virusom SARS-CoV-2 (bez receptora nema ni ulaska u stanicu). (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>)</p>
<p>Dijagnostika infekcije koronavirusom temelji se na tra&#x017E;enju genetskog koda virusa primjenom lan&#x010D;ane reakcije polimeraze u realnom vremenu s reverznom transkripcijom (engl. <italic>real-time reverse transcription polymerase chain reaction</italic>, rRT-PCR). Kod detekcije SARS-CoV-2 pacijentu se uzima uzorak brisom nazofarinksa i/ili orofarinksa, koji se zajedno stavljaju u teku&#x0107;i medij (Hanks ili sterilna fiziolo&#x0161;ka otopina), zatim se u laboratoriju izoliraju RNK molekule virusa koje se prvo pretvaraju u DNK pomo&#x0107;u enzima reverzne transkriptaze, a zatim umno&#x017E;avaju putem lan&#x010D;ane reakcije polimeraze.</p>
<p>Kod ljudi oboljelih od COVID-19 nalaz virusnog nukleokapsidnog proteina (NP) u citoplazmi glandularnog epitela &#x017E;eluca, dvanaesnika i rektuma te postojanje receptora za virus (ACE2) dokaz su i za gastrointestinalnu infekciju SARS-CoV-2 i uz kaplji&#x010D;ni put prijenosa mogu&#x0107;i fekalno-oralni put prijenosa. (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<p>Srednja vrijednost razdoblja inkubacije izme&#x0111;u izlo&#x017E;enosti djeteta simptomatskoj odrasloj osobi u ku&#x0107;anstvu i pojave simptoma je 6,5 dana, dulje nego izme&#x0111;u odraslih (5,4 dana) (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>). Ta razlika mo&#x017E;e upu&#x0107;ivati na dulje razdoblje inkubacije za SARS-CoV-2 infekciju u djece. Prosje&#x010D;no vrijeme od po&#x010D;etka bolesti do dijagnoze je 2 dana (raspon: 0 do 42 dana) (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>). Ve&#x0107;ina bolesnika dijagnosticirana je u prvom tjednu nakon pojave bolesti (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>).</p>
</sec>
<sec sec-type="other3">
<title>Simptomi</title>
<p>Infekcija SARS-Cov-2 u djece mo&#x017E;e imati klini&#x010D;ki asimptomatski tijek, &#x010D;ime su ova djeca izvori infekcije za okolinu ili se pojavljuju op&#x0107;i simptomi infekcije (vru&#x0107;ica, umor, inapetenca) uz simptome infekcije di&#x0161;nih organa razli&#x010D;ite te&#x017E;ine (od ka&#x0161;lja do akutnog respiratornog distres sindroma). Razli&#x010D;ita istra&#x017E;ivanja pokazuju kako je vru&#x0107;ica dominantan simptom, pa je tako 41,5&#x2013;80% bolesnika imalo vru&#x0107;icu (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>), koja je nestala 1&#x2013;16 dana nakon po&#x010D;etka (medijan 3 dana) (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). U djece s vru&#x0107;icom, 9,4% djece imalo je tjelesnu temperaturu 37,5&#x2013;38,0&#x00B0;C; 22,8% djece 38,1&#x2013;39,0&#x00B0;C; 9,4% djece &gt;39,0&#x00B0;C. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Javljaju se i simptomi zahva&#x0107;enosti di&#x0161;nih putova, pa je tako 48,5%&#x2013;60% bolesne djece ka&#x0161;ljalo (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>), 40% djece boljelo je grlo, 5,3&#x2013;30% imalo je neprohodan nos zbog sekreta (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>), a kihanje/rinoreju 7,6&#x2013;20% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>). Proljev je imalo 0&#x2013;8,8% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>), umor 7,6% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>), povra&#x0107;anje 0&#x2013;6,4% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>), tahipneju kod prijema 28,7% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>), tahikardiju kod prijema 42,1% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>), a saturaciju hemoglobina kisikom &lt;92% tijekom hospitalizacije njih 2,3%. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>)</p>
</sec>
<sec sec-type="other4">
<title>Laboratorijska obrada</title>
<p>Oskudni su podatci o laboratorijskim nalazima u djece s COVID-19. Laboratorijski nalazi pokazali su (medijan): broj bijelih krvnih stanica 7,35 &#x00D7; 109/ L, C-reaktivni protein 7,5 mg / L, prokalcitonin 0,07 ng / dL, kreatin kinaza-MB 23 U / L, alanin aminotransferaza 18,5 U / L, aspartat aminotransferaza 27,7 U / L, urea 3,1 mmol / L, kreatinin 35,5 &#x00B5;mol / L, laktat dehidrogenaza 25 U / L i D-dimer 0,45 &#x00B5;g / mL (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>). Izvje&#x0161;&#x0107;a pokazuju kako 2/3 djece ima broj leukocita unutar referentnih vrijednosti za dob, uz rijetku pojavnost neutrofilije (4,6%) i neutropenije (6%). Limfopenija (broj limfocita, &lt;1,2 &#x00D7; 109 / L) bila je prisutna u 3,5% (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). C-reaktivni protein i prokacitonin bili su povi&#x0161;eni u 13,6% i 10,6% bolesnika, dok je porast sedimentacije eritrocita zabilje&#x017E;en u 32,3% bolesnika (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>). U ve&#x0107;eg broja bolesne djece zabilje&#x017E;en je porast laktat dehidrogenaze (38,7% bolesnika) (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>).</p>
</sec>
<sec sec-type="other5">
<title>Radiolo&#x0161;ka obrada</title>
<p>Naj&#x010D;e&#x0161;&#x0107;i radiolo&#x0161;ki nalaz je pneumonija koja je uo&#x010D;ena kod 40&#x2013;64,9% djece s COVID-19 (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>), a &#x010D;ak 7% asimptomatskih bolesnika imalo je radiolo&#x0161;ke zna&#x010D;ajke upale plu&#x0107;a (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). U studiji koja je na 5 djece analizirala visokorezolutnu kompjuteriziranu tomografiju (engl. <italic>high resolution computed tomography</italic>, HRCT) plu&#x0107;a uo&#x010D;eno je da za razliku od odraslih pacijenata, gdje radiolo&#x0161;ki nalazi izgledom pokazuju veliku raznolikost upalnih promjena, kod djece HRCT plu&#x0107;a pokazuje uglavnom opacitete mlije&#x010D;nog stakla (32,7%) (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) s konsolidacijama ili bez njih (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>). Kod djece su upalne promjene zahva&#x0107;ale manje plu&#x0107;nih re&#x017E;njeva (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>) nego kod odraslih. Lezije na snimkama plu&#x0107;a kod odraslih su se resorbirale kroz 2 tjedna, dok su se u ovoj studiji kod djece resorbirale za 1 tjedan (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>).</p>
</sec>
<sec sec-type="other6">
<title>Te&#x017E;ina bolesti</title>
<p>Dosada&#x0161;nja izvje&#x0161;&#x0107;a iznose kako infekcija SARS-Cov-2 naj&#x010D;e&#x0161;&#x0107;e prolazi asimptomatski ili kao blaga do umjereno te&#x0161;ka bolest (94,1%&#x2013;100% bolesnika bilo je ili bez simptoma ili su imali blagu do umjereno te&#x0161;ku bolest) (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r10"><italic>10</italic></xref>). Te&#x0161;ka bolest karakterizirana je s tri stadija: viralni, di&#x0161;ni i zavr&#x0161;na faza obilje&#x017E;ena sna&#x017E;nim upalnim odgovorom, akutnim respiratornim distres sindromom (ARDS-om), vi&#x0161;estrukim zatajenjem organa i mogu&#x0107;im letalnim ishodom. Kada se bolesnici grupiraju prema te&#x017E;ini bolesti, 4,4%&#x2013;28% djece bilo je asimptomatsko (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r12"><italic>12</italic></xref>), 51% djece imalo je blagu bolest (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) i 38,8% djece imalo je umjerenu bolest (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>). Te&#x0161;ku bolest definiranu kao hipoksija imalo je 5,6% (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>), a 0,2&#x2013;0,6% djece razvilo je ARDS ili multiorgansko zatajenje (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). Neki od njih su imali koegzistiraju&#x0107;a stanja (hidronefrozu, leukemiju [zbog kojih je bolesnik primao kemoterapiju] i intususcepciju). (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) U istra&#x017E;ivanju umjereno te&#x0161;ko do te&#x0161;ko bolesne djece s COVID-19 infekcijom iz Kine (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>) trajanje hospitalizacije bilo je u rasponu od 5 do 13 dana, medijan 7,5 dana.</p>
<p>U svojoj dobnoj skupini 10,6% dojen&#x010D;adi, 7,3% djece 1&#x2013;5 godina, 4,2% djece 6&#x2013;10 godina, 4,1% djece 11&#x2013;15 godina i 3% djece &#x2265;16 godina imali su te&#x0161;ku ili kriti&#x010D;no te&#x0161;ku bolest. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) U djece se opisuju pojedina&#x010D;ni letalni ishodi (do sada je iz literature registrirano &lt;5 slu&#x010D;aja u svijetu) (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). Sada&#x0161;nja izvje&#x0161;&#x0107;a upu&#x0107;uju kako je dojena&#x010D;ka dob rizi&#x010D;ni &#x010D;imbenik za te&#x017E;u bolest, dok druge bolesti ili stanja koja bi &#x010D;inila djecu rizi&#x010D;nijom za te&#x017E;e infekcije nisu do kraja definirana. Za djecu koja su imunosuprimirana nema dovoljno podataka, tj. jedini podatci objavljeni su iz Jedinice za transplantaciju jetre u Lombardiji u Italiji za troje imunosuprimirane djece zara&#x017E;ene virusom SARS-Cov-2. Imali su vrlo blage simptome bolesti. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>)</p>
</sec>
<sec sec-type="other7">
<title>Za&#x0161;to djeca imaju bla&#x017E;e klini&#x010D;ke oblike COVID-19?</title>
<p>Znanstvena zajednica prikupila je u kratkom vremenu brojne informacije o virusu, prijenosu infekcije, klini&#x010D;kim i laboratorijskim pokazateljima bolesti. Iz toga je jasno kako su djeca jednako kao i odrasli osjetljiva za infekciju, me&#x0111;utim nije u cijelosti razja&#x0161;njeno za&#x0161;to djeca inficirana SARS-Cov-2 imaju bla&#x017E;e klini&#x010D;ke oblike bolesti. Smatra se kako virusolo&#x0161;ka i epidemiolo&#x0161;ka obilje&#x017E;ja dje&#x010D;je dobi, imunolo&#x0161;ki sustav u sazrijevanju, potom obilje&#x017E;ja sustava renin-angiotenzin u dje&#x010D;joj dobi, ali i kra&#x0107;e djelovanje one&#x010D;i&#x0161;&#x0107;iva&#x010D;a zraka na di&#x0161;ni sustav u odnosu na odraslu populaciju, isprepleteno mogu imati za&#x0161;titni utjecaj od razvoja te&#x0161;kih klini&#x010D;kih oblika COVID-19, ARDS-a i letalnih ishoda.</p>
<p>Virusolo&#x0161;ka i epidemiolo&#x0161;ka obilje&#x017E;ja pokazuju kako djeca &#x010D;e&#x0161;&#x0107;e imaju i druge viruse na sluznici di&#x0161;nog sustava, koji interakcijom virus-virus i me&#x0111;usobnom kompeticijom ograni&#x010D;avaju replikaciju SARS-CoV-2. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>)</p>
<p>Priro&#x0111;ena imunost ima zna&#x010D;ajnu ulogu u protuupalnom odgovoru na infekciju, ali i u pojavi &#x201E;citokinske oluje&#x201C; s posljedi&#x010D;nim o&#x0161;te&#x0107;enjem tkiva, dok ste&#x010D;ena imunost s aktivacijom CD4+, CD8+ i limfocita B omogu&#x0107;ava razvoj protutijela specifi&#x010D;nih za virus. Imunolo&#x0161;ki odgovor na infekciju obilje&#x017E;en je razlikama od dje&#x010D;je do odrasle dobi, a uo&#x010D;en je brzi pomak od poja&#x010D;anog kapaciteta sekrecije IL-10 pri ro&#x0111;enju prema uravnote&#x017E;enoj razini citokina IL-10 / Th1 / Th2 / Th17 ve&#x0107; u dojena&#x010D;koj dobi. Ravnote&#x017E;a omogu&#x0107;ava obranu od infekcije, ali u isto vrijeme i &#x0161;titi od pretjerane upalne reakcije koja bi mogla ugroziti doma&#x0107;ina. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>) Dje&#x010D;ja dob obilje&#x017E;ena je &#x010D;estim virusnim infekcijama i obveznim programom cijepljenja, &#x0161;to pobolj&#x0161;ava aktivaciju priro&#x0111;ene imunosti, a mo&#x017E;e pru&#x017E;iti i kri&#x017E;nu imunost prema drugim patogenima. Ste&#x010D;ena imunost aktivirana je kroz Th1 i B limfocite. Uo&#x010D;eno je kako je COVID-19 povezan s limfopenijom i sni&#x017E;enjem CD4+ limfocita, a dojena&#x010D;ku dob obilje&#x017E;ava ve&#x0107;i broj CD4+ limfocita, pogotovo stanica priro&#x0111;enih ubojica (engl. <italic>natural killer cells</italic>, NK stanica) &#x0161;to im mogu&#x0107;e pru&#x017E;a za&#x0161;titu. (<xref ref-type="bibr" rid="r27"><italic>27</italic></xref>) Odrastanjem djeteta, povezano s razvojem i atrofijom timusa, broj limfocita CD4+ pada. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>)</p>
<p>Nadalje, u istra&#x017E;ivanjima se nagla&#x0161;ava i va&#x017E;nost djelovanja molekula u sustavu renin-angiotenzin (RAS) koje bi mogli biti klju&#x010D;ni &#x010D;imbenici u kontroli te&#x017E;ine razvijaju&#x0107;eg ARDS-a. Naime, poznato je kako je za ulazak virusa SARS-Cov-2 va&#x017E;an membranski protein ACE2 koji je eksprimiran u stanicama organa poput plu&#x0107;a, srca, crijeva i bubrega. Homolog je ACE, koji regulira djelovanje RAS-a, uravnote&#x017E;avanjem ACE-a. Pove&#x0107;anjem ACE-a uz smanjenu ekspresiju ACE2 naru&#x0161;ava se homeostaza RAS, vodi ka hipertenziji, zatajenju srca i o&#x0161;te&#x0107;enju plu&#x0107;a (ARDS). SARS-CoV-2 ve&#x017E;u&#x0107;i se za ACE2 oslabljuje njegov za&#x0161;titni u&#x010D;inak. (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Va&#x017E;nost interakcije SARS-CoV-2 i ACE2 u infekciji i razvoju bolesti razmatra se i u mogu&#x0107;nostima lije&#x010D;enja. Istra&#x017E;uje se u&#x010D;inkovitost dodavanja topljivog ACE2 koji bi se vezao za SARS-CoV-2, kao i blokada ACE2 receptora s ciljem inhibicije vezanja virusa i ulaska u stanicu doma&#x0107;ina. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>) Iako istra&#x017E;iva&#x010D;i nastoje potkrijepiti dokazima mogu&#x0107;u za&#x0161;titnu ulogu ACE2 na pojavu te&#x017E;ih oblika COVID-19 u djece, za sada je njegova uloga jo&#x0161; nerazja&#x0161;njena. Naime, povla&#x010D;e se korelacije s ARDS-om uzrokovanim respiratornim sincicijskim virusom (RSV). Uo&#x010D;eno je kako ACE2 &#x0161;titi od o&#x0161;te&#x0107;enja plu&#x0107;a tijekom infekcije RSV i kako rekombinantni ACE2 smanjuje te&#x017E;inu o&#x0161;te&#x0107;enja plu&#x0107;a tijekom RSV infekcije. Tra&#x017E;e se obja&#x0161;njenja i u opa&#x017E;anjima kako je rana dje&#x010D;ja dob obilje&#x017E;ena vi&#x0161;im koncentracijama ACE zbog razvoja plu&#x0107;nog endotela, a razmatra se i oslabljena aktivnost ACE u dje&#x010D;joj dobi. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Navedena istra&#x017E;ivanja upu&#x0107;uju na to kako povi&#x0161;ena koncentracija ACE2 u plu&#x0107;ima djece mo&#x017E;e imati za&#x0161;titni u&#x010D;inak na razvoj te&#x017E;ih klini&#x010D;kih oblika COVID-19. Me&#x0111;utim, za dono&#x0161;enje kona&#x010D;nih zaklju&#x010D;aka neophodna su daljnja istra&#x017E;ivanja o mogu&#x0107;im protektivnim &#x010D;imbenicima dje&#x010D;je dobi na razvoj te&#x017E;ih oblika COVID-19. Mali broj inficirane i oboljele djece ograni&#x010D;ava osmi&#x0161;ljavanje kvalitetne imunolo&#x0161;ke studije, &#x0161;to ostavlja mogu&#x0107;nost i dalje nerazja&#x0161;njenog pitanja koji mehanizmi &#x0161;tite djecu od te&#x017E;ih oblika COVID-19.</p>
</sec>
<sec sec-type="other8">
<title>Pra&#x0107;enje bolesnika</title>
<p>Za prisutnosti infekcije SARS-CoV-2 uzimani su uzorci iz gornjih dijelova di&#x0161;nog sustava te uzorci stolice. U brisevima nazofarinksa/grla 6&#x2013;22 dana (srednja vrijednost: 12 dana) nakon po&#x010D;etka bolesti nije bilo mogu&#x0107;e detektirati SARS-CoV-2. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) Uzorci stolice testirani na SARS-CoV-2 RNK u roku od 3&#x2013;13 dana nakon po&#x010D;etka bolesti u 83,3% bili su pozitivni. Ti pacijenti su 18&#x2013;30 dana nakon po&#x010D;etka bolesti i dalje imali SARS-CoV-2 RNK otkriven u stolici i pra&#x0107;enje tih pacijenata je nastavljeno. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) Druga studija (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) u&#x010D;injena kod djece i odraslih (raspon dobi od 10 mjeseci do 78 godina) pokazala je da 53% pacijenata s COVID-19 infekcijom imaju pozitivan test SARS-CoV-2 RNK u stolici. Vrijeme trajanja pozitivne stolice bilo je od 1 do 12 dana. 23% tih pacijenata ostalo je pozitivno na SARS-CoV-2 u stolici nakon &#x0161;to su se pokazali negativni uzorci iz respiratornog trakta. Prema trenutnim smjernicama, prestanak pra&#x0107;enja hospitaliziranih bolesnika sa SARS-CoV-2 temelji se na najmanje 2 uzastopna negativna rezultata rRT-PCR ispitivanja uzoraka di&#x0161;nih putova sakupljenih u razmaku od &#x2265;24 sata. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>) Me&#x0111;utim, podatak da je kod vi&#x0161;e od 20% bolesnika virusna RNK SARS-CoV-2 ostala pozitivna u stolici &#x010D;ak i nakon negativnog nalaza virusne RNK u respiratornom traktu ukazuje na virusnu gastrointestinalnu infekciju i da mo&#x017E;e zaostati potencijalni fekalno-oralni prijenos infekcije i nakon virusnog klirensa u respiratornom traktu. Navedena istra&#x017E;ivanja name&#x0107;u potrebu rutinskog izvo&#x0111;enja rRT-PCR za SARS-CoV-2 iz stolice i upu&#x0107;uju da mjere opreza treba nastaviti ako su rRT-PCR testovi stolice pozitivni. U istra&#x017E;ivanju iz Njema&#x010D;ke usprkos otkrivenoj virusnoj RNK nije se uspjelo prona&#x0107;i &#x017E;iv virus u stolici koji je mogu&#x0107;e kultivirati. Smatraju da se u stolici nalaze fragmenti virusa, a ne aktivni virus. (<xref ref-type="bibr" rid="r32"><italic>32</italic></xref>) Bit &#x0107;e potrebne daljnje studije kako bi se ovo dodatno razjasnilo.</p>
<p>Nadalje, u pra&#x0107;enju djece potreban je i probir na influencu da bi se isklju&#x010D;ila mogu&#x0107;a koinfekcija s obzirom na sezonsko preklapanje izme&#x0111;u gripe i COVID-19. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>)</p>
</sec>
<sec sec-type="other9">
<title>Lije&#x010D;enje</title>
<p>Va&#x017E;no je prepoznati &#x010D;imbenike rizika, kategorizirati djecu prema te&#x017E;ini bolesti i osigurati rano pra&#x0107;enje i lije&#x010D;enje. Trenutno ne postoje antivirusni lijekovi koje ameri&#x010D;ka Agencija za hranu i lijekove (engl. <italic>Food and Drug Administration</italic>, FDA) preporu&#x010D;uje, odnosno koji su registrirani za lije&#x010D;enje COVID-19. (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>) U preporukama za lije&#x010D;enje nema posebnih upozorenja za lije&#x010D;enje djece.</p>
<p>U ve&#x0107;ini istra&#x017E;ivanja djeca su lije&#x010D;ena simptomatski. Budu&#x0107;i da je naj&#x010D;e&#x0161;&#x0107;i simptom COVID-19 vru&#x0107;ica i kako su potrebne antipiretske mjere, u &#x0161;irim znanstvenim i neznanstvenim krugovima propituje se mo&#x017E;e li primjena nesteroidnih protuupalnih lijekova poput ibuprofena pogor&#x0161;ati razvoj bolesti COVID-19. Trenuta&#x010D;no ne postoje znanstveni dokazi koji povezuju primjenu ibuprofena i pogor&#x0161;anje bolesti COVID-19. (<xref ref-type="bibr" rid="r33"><italic>33</italic></xref>)</p>
<p>Autori u jednoj studiji (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) ne preporu&#x010D;uju upotrebu antivirusnih sredstava za lije&#x010D;enje samoograni&#x010D;enih, ne-te&#x0161;kih oblika COVID-19 jer nijedan dokaz nije pokazao djelotvornost trenutno dostupnih antivirusnih lijekova. Empirijsko davanje antibiotika ne preporu&#x010D;uje se za lije&#x010D;enje ne-te&#x0161;kih oblika pneumonija povezanih sa SARS-CoV-2 bez dokaza bakterijske superinfekcije. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>)</p>
<p>U drugoj studiji (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) svoj djeci s COVID-19 primijenjeno je antivirusno lije&#x010D;enje koje se sastojalo od aerosoliziranog interferona alfa svoj djeci, sirupa lopinavir-ritonavir dva puta dnevno tijekom 14 dana u 14 djece (39%), uz suportivnu primjenu kisika (u &#x0161;estero djece [17%]), antipiretika i nadoknadu teku&#x0107;ine i elektrolita (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>).</p>
<p>U tre&#x0107;oj studiji (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) 48% bolesnika primalo je antivirusnu terapiju (interferon, arbidol, oseltamivir, lopinavir/litonavir). Antivirusnu terapiju interferonom dobilo je najvi&#x0161;e bolesnika (48%). 56% bolesnika lije&#x010D;eno je empirijski antibioticima i kod jednog pacijenta antibiotik se pokazao u&#x010D;inkovitim. U dvaju kriti&#x010D;no te&#x0161;kih bolesnika (8%) primijenjena je invazivna mehani&#x010D;ka ventilacija, sistemni glukokortikoidi i intravenski imunoglobulini. Jednom od dvaju kriti&#x010D;nih bolesnika ordinirana je hemodijaliza i izmjena plazme. Do objave istog &#x010D;lanka jedan se pacijent potpuno oporavio i otpu&#x0161;ten je iz bolnice.</p>
<p>Upotreba ure&#x0111;aja s visokim protokom kisika i neinvazivne ventilacije s nazalnim nastavcima nije preporu&#x010D;ljiva zbog velike &#x0161;anse za stvaranje i &#x0161;irenje inficiranog aerosola. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>) S obzirom na navedeno, a da je primjena neinvazivne ventilacije i visokih protoka vrlo zanimljiva u dje&#x010D;joj dobi, razmatrale su se druge opcije. Neinvazivna ventilacija uz pomo&#x0107; kaciga mogla bi smanjiti rizik od nozokomijalne infekcije &#x2013; u ovom slu&#x010D;aju kaciga zamjenjuje masku za lice kao na&#x010D;in isporuke kisika. Kaciga se sastoji od plasti&#x010D;nog zvona koje se stavlja na glavu i pri&#x010D;vr&#x0161;&#x0107;uje gumenim ovratnikom za vrat. Njihov potencijal u trenutnoj pandemiji demonstriran je u televizijskim snimkama na kojima se vidi soba puna odraslih talijanskih pacijenata COVID-19 koji nose ure&#x0111;aje u jedinicama intenzivnog lije&#x010D;enja. Talijanska verzija naprednija je od one koja je dostupna drugdje &#x2013; dizajnirana je s virusnim filterom kako bi se sprije&#x010D;ila aerosolizacija i prilago&#x0111;ena je korisnicima, s dodatnim priklju&#x010D;cima za medicinsko osoblje. (<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) Ipak, nije odobrena od FDA, iako su testirane od strane Ameri&#x010D;kog nacionalnog instituta za zdravlje. Talijanska vlada zabranila je izvoz kaciga dok se bori protiv vlastite krize COVID-19. Ameri&#x010D;ke bolnice se stoga okre&#x0107;u lokalnim proizvo&#x0111;a&#x010D;ima kaciga, a tvrtke bilje&#x017E;e ogromna pove&#x0107;anja narud&#x017E;bi. (<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) Bez obzira na to, u vezi s kacigama postoje neke napomene opreza. (<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) <italic>Smjernice European Society of Intensive Care Medicine</italic> (ESICM) opisuju ih kao &#x201E;atraktivnu opciju&#x201C;, jer je &#x201E;pokazano da smanjuju disperziju zraka pri izdisaju&#x201C;, ali autori nagla&#x0161;avaju kako &#x201E;nisu sigurni&#x201C; u pogledu njihove sigurnosti ili u&#x010D;inkovitosti u COVID-19 i stoga ne mogu dati preporuku u vezi s upotrebom kaciga umjesto maski kod neinvazivne ventilacije pozitivnim tlakom (engl. <italic>non-invasive positive pressure ventilation</italic>, NIPPV). (<xref ref-type="bibr" rid="r37"><italic>37</italic></xref>)</p>
<p>Kod daljnjeg negativnoga klini&#x010D;kog slijeda bitna je rana intubacija i mehani&#x010D;ka ventilacija za sprje&#x010D;avanje komplikacija i pogor&#x0161;anja, posebno u situaciji ograni&#x010D;enih resursa i s vrlo malo centara dovoljno stru&#x010D;nih za lije&#x010D;enje kriti&#x010D;nih slu&#x010D;ajeva. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>) Strategije upravljanja ARDS-om u COVID-19 uklju&#x010D;uju ventilaciju s malim tidal volumenom i liberalnom sedacijom &#x2013; analgezijom. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>) U isto vrijeme izuzetno je va&#x017E;na prevencija preno&#x0161;enja virusa zdravstvenim radnicima u ustanovama s intenzivnom njegom koje se skrbe o te&#x0161;kim bolesnicima i gdje se primjenjuju postupci koji dovode do stvaranja aerosola. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>) Uz hidrofobni virusni filter u ventilatorskom krugu minimizira se &#x0161;ansa za prijenos virusa. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>)</p>
</sec>
<sec sec-type="other10">
<title>Trudnice i novoro&#x0111;en&#x010D;ad</title>
<p>Za procjenu klini&#x010D;kih karakteristika COVID-19 u trudno&#x0107;i i intrauterinog vertikalnoga prijenosnog potencijala infekcije SARS-CoV-2 nema istra&#x017E;ivanja s ve&#x0107;im brojem ispitanika. U jednoj studiji (<xref ref-type="bibr" rid="r38"><italic>38</italic></xref>) analizirano je devet trudnica s radiolo&#x0161;ki potvr&#x0111;enom pneumonijom uz dokaz infekcije SARS-CoV-2. Klini&#x010D;ke karakteristike COVID-19 pneumonije u trudnica bile su sli&#x010D;ne opisanim klini&#x010D;kim slikama COVID-19 za ostale odrasle pacijente. Sedam pacijentica imalo je vru&#x0107;icu. Uo&#x010D;eni su i drugi simptomi, uklju&#x010D;uju&#x0107;i ka&#x0161;alj (kod &#x010D;etiri od devet trudnica), mialgiju (u tri), grlobolju (u dvije) i nelagodu (u dvije). Fetalni distres pra&#x0107;en je kod dvije pacijentice. Pet od devet pacijentica imalo je limfopeniju. Tri su imale pove&#x0107;ane koncentracije aminotransferaza. Nijedna pacijentica nije razvila te&#x0161;ku COVID-19 upalu plu&#x0107;a ili umrla. U svih devet pacijentica trudno&#x0107;a je dovr&#x0161;ena planiranim carskim rezom u tre&#x0107;em tromjese&#x010D;ju, s porodom &#x017E;ivoro&#x0111;ene djece. Sva novoro&#x0111;en&#x010D;ad je imala Apgar-ov rezultat u prvoj minuti 8&#x2013;9 i u 5. minuti 9&#x2013;10, te nisu pokazivali znakove perinatalne asfiksije. Za dokaz intrauterinoga vertikalnog prijenosa SARS-CoV-2 ispitani su uzorci amnionske teku&#x0107;ine, krv iz pupkovine, neonatalni bris grla i uzorci maj&#x010D;inog mlijeka nakon prve laktacije. Analizirani su uzorci od 6 pacijenata, a u njima nije dokazan SARS-CoV-2. Nalazi iz ove male skupine slu&#x010D;ajeva sugeriraju da trenutno nema dokaza za intrauterinu infekciju uzrokovanu vertikalnim prijenosom kod &#x017E;ena koje u kasnoj trudno&#x0107;i razvijaju COVID-19 pneumoniju. U drugoj studiji (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>) retrospektivno su analizirane klini&#x010D;ke osobine i laboratorijski nalazi desetero novoro&#x0111;en&#x010D;adi (uklju&#x010D;uju&#x0107;i jedan par blizanaca) ro&#x0111;enih od majki s potvr&#x0111;enom infekcijom SARS CoV-2. Me&#x0111;u ovih 9 trudnica klini&#x010D;ki simptomi pojavili su se prije poroda u 4 slu&#x010D;aja, na dan poroda u 2 slu&#x010D;aja, a nakon poroda u 3 slu&#x010D;aja. U ve&#x0107;ine trudnica vru&#x0107;ica i ka&#x0161;alj bili su prvi simptomi, a jedna pacijentica je imala proljev. &#x010C;etiri novoro&#x0111;en&#x010D;eta ro&#x0111;ena su u terminu, a 6 se rodilo preuranjeno; dva su bila mala djeca za gestacijsku dob, a jedno novoro&#x0111;en&#x010D;e bilo je veliko za gestacijsku dob. &#x0160;estero novoro&#x0111;en&#x010D;adi pokazivalo je znakove ozbiljne promjene zdravstvenog stanja. Klini&#x010D;ki, prvi simptom kod novoro&#x0111;en&#x010D;adi bila je dispneja (n = 6), a zabilje&#x017E;eni su i vru&#x0107;ica (n = 2), trombocitopenija popra&#x0107;ena poreme&#x0107;enom funkcijom jetre (n = 2), tahikardija (n = 1), povra&#x0107;anje (n = 1) i pneumotoraks (n = 1). Do objave tog istra&#x017E;ivanja petero novoro&#x0111;en&#x010D;adi je izlije&#x010D;eno i otpu&#x0161;teno, jedno dijete je umrlo, a &#x010D;etiri novoro&#x0111;en&#x010D;eta su ostala u bolnici u stabilnom stanju. Faringealni brisevi prikupljeni su za 9 novoro&#x0111;en&#x010D;adi od 1. do 9. dana nakon ro&#x0111;enja i u njima nije potvr&#x0111;en SARS-CoV-2. Zaklju&#x010D;eno je kako perinatalna SARS-CoV-2 infekcija mo&#x017E;e imati &#x0161;tetne u&#x010D;inke na novoro&#x0111;en&#x010D;ad, uzrokuju&#x0107;i probleme poput fetalnog distresa, prijevremenog poro&#x0111;aja, respiratornog distres sindroma, trombocitopenije, pa &#x010D;ak i smrt. Me&#x0111;utim, vertikalni prijenos SARS-CoV-2 nije potvr&#x0111;en. U tre&#x0107;em (<xref ref-type="bibr" rid="r40"><italic>40</italic></xref>), kohortnom istra&#x017E;ivanju, opisana su 33 novoro&#x0111;en&#x010D;eta regrutirana iz dje&#x010D;je bolnice Wuhan, provincija Hubei, Kina, &#x010D;ije su majke imale obilje&#x017E;ja COVID-19. Autori opisuju 3 zara&#x017E;ena novoro&#x0111;en&#x010D;eta. Prvi pacijent koji se opisuje ro&#x0111;en je u 40. tjednu gestacije, poro&#x0111;aj je obavljen carskim rezom zbog maj&#x010D;inske COVID-19 upale plu&#x0107;a i znakova fetalne patnje (mekonijska plodna voda). U drugom danu &#x017E;ivota novoro&#x0111;en&#x010D;e je pokazivalo znakove letargije i vru&#x0107;icu. Radiolo&#x0161;ka slika prsnog ko&#x0161;a pokazala je upalu plu&#x0107;a, dok su ostali laboratorijski testovi (osim prokalcitonina) bili normalni. Nazofaringealni i analni brisevi bili su pozitivni na SARS-CoV-2 u 2. i 4. danu &#x017E;ivota i negativni u 6. danu. Drugi pacijent kojega opisuju ro&#x0111;en je carskim rezom u 40. tjednu gestacije zbog potvr&#x0111;ene upale plu&#x0107;a COVID-19 kod majke. Prezentirao se letargijom, povra&#x0107;anjem i vru&#x0107;icom. Laboratorijski testovi pokazali su leukocitozu, limfopeniju i povi&#x0161;enu MB podjedinicu kreatin kinaze, a rendgenska slika prsnog ko&#x0161;a pokazala je upalu plu&#x0107;a. Nazofaringealni i analni brisovi bili su pozitivni na SARS-CoV-2 u 2. i 4. danu &#x017E;ivota i negativni na 6. dan. Tre&#x0107;i pacijent kojeg opisuju u radu ro&#x0111;en je u 31. tjednu gestacije carskim rezom zbog distresa fetusa i potvr&#x0111;ene upale plu&#x0107;a COVID-19 kod majke. Neposredno nakon poroda pristupljeno je o&#x017E;ivljavanju novoro&#x0111;en&#x010D;eta, s Apgar rezultatima 3, 4 i 5 u 1., 5. i 10. minuti nakon ro&#x0111;enja. Neonatalni respiratorni distres sindrom i pneumonija (potvr&#x0111;ena radiolo&#x0161;kom slikom prsnog ko&#x0161;a prilikom prijema) nestali su 14. dana &#x017E;ivota nakon lije&#x010D;enja neinvazivnom ventilacijom, kofeinom i antibioticima. Tijekom lije&#x010D;enja tako&#x0111;er se sumnjalo na sepsu uzrokovanu <italic>Enterobacter agglomerates</italic> (pozitivna hemokultura, leukocitoza, trombocitopenija i koagulopatija) koja je lije&#x010D;ena antibioticima. Nazofaringealni i analni brisevi bili su pozitivni na SARS-CoV-2 u 2. i 4. danu &#x017E;ivota i negativni na 7. dan. U skladu s prethodnim studijama, klini&#x010D;ki simptomi kod 33 novoro&#x0111;en&#x010D;eta s rizikom od COVID-19 bili su blagi, a ishodi povoljni. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r41"><italic>41</italic></xref>) Od 3 novoro&#x0111;en&#x010D;eta sa simptomatskim COVID-19 najte&#x017E;e bolesno novoro&#x0111;en&#x010D;e vjerojatnije je imalo opisane simptome zbog nedone&#x0161;enosti, asfiksije i sepse, nego zbog SARS-CoV-2 infekcije. U ovoj skupini 3 od 33 novoro&#x0111;en&#x010D;adi (9%) oboljelo je od rane bolesti SARS-CoV-2 infekcijom. Budu&#x0107;i da su tijekom poro&#x0111;aja primijenjeni strogi postupci kontrole i prevencije infekcije, vjerojatno je da su nalazi SARS-CoV-2 u gornjim di&#x0161;nim putevima ili anusu novoro&#x0111;en&#x010D;eta bili maj&#x010D;inog podrijetla. Iako su dvije prethodne studije (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>, <xref ref-type="bibr" rid="r42"><italic>42</italic></xref>) pokazale kako nema dokaza za vertikalni prijenos SARS-CoV-2, autori ovog &#x010D;lanka ne isklju&#x010D;uju upravo ovaj na&#x010D;in prijenosa infekcije s majke na fetus. Stoga je klju&#x010D;no pregledavati trudnice i provoditi stroge mjere suzbijanja infekcije, karantenu zara&#x017E;enih majki i pa&#x017E;ljivo pra&#x0107;enje novoro&#x0111;en&#x010D;adi u riziku od COVID-19.</p>
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