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Abstract

A nosocomial outbreak of SARS-CoV-2 Delta variant infected 42 patients, staff and family members; 39 were fully vaccinated. The attack rate was 10.6% (16/151) among exposed staff and reached 23.7% (23/97) among exposed patients in a highly vaccinated population, 16–26 weeks after vaccination (median: 25 weeks). All cases were linked and traced to one patient. Several transmissions occurred between individuals wearing face masks. Fourteen of 23 patients became severely sick or died, raising a question about possible waning immunity.

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/content/10.2807/1560-7917.ES.2021.26.39.2100822
2021-09-30
2024-12-23
/content/10.2807/1560-7917.ES.2021.26.39.2100822
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Nosocomial outbreak caused by the SARS-CoV-2 Delta variant in a highly vaccinated population, Israel, July 2021
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Pnina+Shitrit&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Shitrit Pnina</a>, <a href="/search?value1=Neta+S+Zuckerman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zuckerman Neta S</a>, <a href="/search?value1=Orna+Mor&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mor Orna</a>, <a href="/search?value1=Bat-Sheva+Gottesman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Gottesman Bat-Sheva</a>, <a href="/search?value1=Michal+Chowers&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Chowers Michal</a></span>. Nosocomial outbreak caused by the SARS-CoV-2 Delta variant in a highly vaccinated population, Israel, July 2021. <a href="/content/ecdc">Euro Surveill.</a> 2021;26(39):pii=2100822. <a href="https://doi.org/10.2807/1560-7917.ES.2021.26.39.2100822" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2021.26.39.2100822</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 24 Aug 2021;&nbsp;&nbsp; <span class="generated">Accepted</span>: 23 Sept 2021 </span> </p>
/content/10.2807/1560-7917.ES.2021.26.39.2100822
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