Increasing risk of breakthrough COVID-19 in outbreaks with high attack rates in European long-term care facilities, July to October 2021

Carl Suetens,Pete Kinross,Pilar Gallego Berciano, Virginia Arroyo Nebreda, Eline Hassan,Clémentine Calba,Eugenia Fernandes,Andre Peralta-Santos,Pedro Casaca, Nathalie Shodu,Sara Dequeker, Flora Kontopidou, Lamprini Pappa,Oliver Kacelnik,Anita Wang Børseth,Lois O'Connor,Patricia Garvey,Rasa Liausedienė,Rolanda Valintelienė, Corinna Ernst,Joël Mossong,Mária Štefkovičová, Zuzana Prostináková,Ann Caroline Danielsen, Aikaterini Mougkou,Favelle Lamb,Orlando Cenciarelli,Dominique L Monnet,Diamantis Plachouras

EUROSURVEILLANCE（2021）

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摘要

We collected data from 10 EU/EEA countries on 240 COVID-19 outbreaks occurring from July-October 2021 in long-term care facilities with high vaccination coverage. Among 17,268 residents, 3,832 (22.2%) COVID19 cases were reported. Median attack rate was 18.9% (country range: 2.8-52.4%), 17.4% of cases were hospitalised, 10.2% died. In fully vaccinated residents, adjusted relative risk for COVID-19 increased with outbreak attack rate. Findings highlight the importance of early outbreak detection and rapid containment through effective infection prevention and control measures.

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COVID-19,long-term care facilities,outbreaks,vaccines

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