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Abstract

We investigated three SARS-CoV-2 variant B.1.1.7 childcare centre and related household outbreaks. Despite group cohorting, cases occurred in almost all groups, i.e. also among persons without close contact. Children’s secondary attack rates (SAR) were similar to adults (childcare centres: 23% vs 30%; p = 0.15; households: 32% vs 39%; p = 0.27); child- and adult-induced household outbreaks also led to similar SAR. With the advent of B.1.1.7, susceptibility and infectiousness of children and adults seem to converge. Public health measures should be revisited accordingly.

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/content/10.2807/1560-7917.ES.2021.26.21.2100433
2021-05-27
2024-12-22
/content/10.2807/1560-7917.ES.2021.26.21.2100433
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SARS-CoV-2 variant B.1.1.7 susceptibility and infectiousness of children and adults deduced from investigations of childcare centre outbreaks, Germany, 2021
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Anna+Loenenbach&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Loenenbach Anna</a>, <a href="/search?value1=Inessa+Markus&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Markus Inessa</a>, <a href="/search?value1=Ann-Sophie+Lehfeld&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lehfeld Ann-Sophie</a>, <a href="/search?value1=Matthias+an+der+Heiden&option1=author&noRedirect=true" class="nonDisambigAuthorLink">an der Heiden Matthias</a>, <a href="/search?value1=Walter+Haas&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Haas Walter</a>, <a href="/search?value1=Maya+Kiegele&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kiegele Maya</a>, <a href="/search?value1=Andr%C3%A9+Ponzi&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ponzi André</a>, <a href="/search?value1=Barbara+Unger-Goldinger&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Unger-Goldinger Barbara</a>, <a href="/search?value1=Cornelius+Weidenauer&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Weidenauer Cornelius</a>, <a href="/search?value1=Helen+Schlosser&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Schlosser Helen</a>, <a href="/search?value1=Alexander+Beile&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Beile Alexander</a>, <a href="/search?value1=Udo+Buchholz&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Buchholz Udo</a></span>. SARS-CoV-2 variant B.1.1.7 susceptibility and infectiousness of children and adults deduced from investigations of childcare centre outbreaks, Germany, 2021. <a href="/content/ecdc">Euro Surveill.</a> 2021;26(21):pii=2100433. <a href="https://doi.org/10.2807/1560-7917.ES.2021.26.21.2100433" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2021.26.21.2100433</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 03 May 2021;&nbsp;&nbsp; <span class="generated">Accepted</span>: 26 May 2021 </span> </p>
/content/10.2807/1560-7917.ES.2021.26.21.2100433
/content/10.2807/1560-7917.ES.2021.26.21.2100433
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