SARS-Cov-2 seroprevalence and risk factors among health care workers: Estimating the risk of COVID-19 dedicated units

•Among 1,996 asymptomatic HCW, we found a seroprevalence of SARS-CoV-2 of 5.5%.•Cleaners and male gender were more likely to be infected.•Working at dedicated COVID-19 units was not an independent risk factor for seropositivity. We evaluated the seroprevalence of SARS-CoV-2 and risk factors among 1,...

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Bibliographic Details
Published in:	American journal of infection control Vol. 49; no. 9; pp. 1197 - 1199
Main Authors:	Oliveira, Maura Salaroli de, Lobo, Renata Desordi, Detta, Felippe Pires, Vieira-Junior, José Mauro, Castro, Thiago Lucas de Souza, Zambelli, Daniella Bosco, Cardoso, Luiz Francisco, Borges, Igor Carmo, Tozetto-Mendoza, Tânia Regina, Costa, Silvia Figueiredo, Mendes-Correa, Maria Cassia
Format:	Journal Article
Language:	English
Published:	United States Elsevier Inc 01-09-2021 Published by Elsevier Inc. on behalf of Association for Professionals in Infection Control and Epidemiology, Inc
Subjects:	Brief Report Community transmission COVID-19 Health Personnel Humans Male Occupational risk Risk Factors SARS-CoV-2 Seroepidemiologic Studies Serology Occupational risk Serology Community transmission
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Summary:	•Among 1,996 asymptomatic HCW, we found a seroprevalence of SARS-CoV-2 of 5.5%.•Cleaners and male gender were more likely to be infected.•Working at dedicated COVID-19 units was not an independent risk factor for seropositivity. We evaluated the seroprevalence of SARS-CoV-2 and risk factors among 1,996 oligo/asymptomatic health care workers. The seroprevalence was 5.5% and risk factors associated with being infected with SARS-CoV-2 was professional category of cleaning (adj odds ratio 2.22, 95% confidence interval: 1.12-4.44, P: .023) and male gender (adj odds ratio: 1.54, 95% confidence interval: 1.03-2.32, P: .035).Working at dedicated COVID-19 units (high-risk group) was not an independent risk factor for seropositivity.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0196-6553 1527-3296 1527-3296
DOI:	10.1016/j.ajic.2021.03.010