Nosocomial outbreak caused by the SARS-CoV-2 Delta variant in a highly vaccinated population, Israel, July 2021

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...

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Bibliographic Details
Published in:Euro surveillance : bulletin européen sur les maladies transmissibles 2021-09, Vol.26 (39), p.1
Main Authors: Shitrit, Pnina, Zuckerman, Neta S, Mor, Orna, Gottesman, Bat-Sheva, Chowers, Michal
Format: Article
Language:English
Subjects:
COVID-19 vaccines
Disease transmission
Immunization
Nosocomial infections
Rapid Communication
Severe acute respiratory syndrome coronavirus 2
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Summary: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.
ISSN:1560-7917
1025-496X
1560-7917
DOI:10.2807/1560-7917.ES.2021.26.39.2100822