2021 •
Wearing masks and establishing COVID-19 areas reduces secondary attack risk in nursing homes
Authors:
Bastien Reyné, Christian Selinger, Mircea T. Sofonea, Stéphanie Miot, Amandine Pisoni, Edouard Tuaillon, Jean Bousquet, Hubert Blain, Samuel Alizon
Abstract:AbstractBackgroundCOVID-19 is spreading rapidly in nursing homes (NHs). It is urgent to evaluate the effect of infection prevention and control (IPC) measures to reduce COVID spreading.MethodsWe analysed COVID-19 outbreaks in 12 NH using rRT-PCR for SARS-CoV-2. We estimated secondary attack risks (SARs) and identified cofactors associated with the proportion of infected residents.AbstractBackgroundCOVID-19 is spreading rapidly in nursing homes (NHs). It is urgent to evaluate the effect of infection prevention and control (IPC) measures to reduce COVID spreading.MethodsWe analysed COVID-19 outbreaks in 12 NH using rRT-PCR for SARS-CoV-2. We estimated secondary attack risks (SARs) and identified cofactors associated with the proportion of infected residents.ResultsThe SAR was below 5%, suggesting a high efficiency of IPC measures. Mask-wearing or establishment of COVID-19 zones for infected residents were associated with lower SAR.ConclusionsWearing masks and isolating potentially infected residents appear to limit SARS-CoV-2 spread in nursing homes.(Read More)
Bastien Reyné, Christian Selinger, Mircea T Sofonea, Stéphanie Miot, Amandine Pisoni, Edouard Tuai (...)
Medrxiv ·
2020
Environmental health |
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