Publication . Preprint . 2021

Wearing masks and establishing COVID-19 areas reduces secondary attack risk in nursing homes

Bastien Reyné; Christian Selinger; Mircea T. Sofonea; Stéphanie Miot; Amandine Pisoni; Edouard Tuaillon; Jean Bousquet; +2 Authors

Open Access

English

doi: 10.1101/2020.11.27.20239913

Published: 20 Mar 2021

Publisher: HAL CCSD

Country: France

- Summary

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.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.

Subjects by Vocabulary

Microsoft Academic Graph classification: Infection control Outbreak 2019-20 coronavirus outbreak Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Environmental health Medicine business.industry business Nursing homes Coronavirus disease 2019 (COVID-19)

Subjects

[INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation, [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM], [SDV.EE.SANT]Life Sciences [q-bio]/Ecology, environment/Health, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy, [SDV.BID.EVO]Life Sciences [q-bio]/Biodiversity/Populations and Evolution [q-bio.PE], [SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, [SDV.GEN.GPO]Life Sciences [q-bio]/Genetics/Populations and Evolution [q-bio.PE], [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, [SDV.EE.IEO]Life Sciences [q-bio]/Ecology, environment/Symbiosis