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Oxford University Press - PMC COVID-19 Collection logoLink to Oxford University Press - PMC COVID-19 Collection
. 2020 Dec 13:ciaa1845. doi: 10.1093/cid/ciaa1845

SARS-CoV-2 seroprevalence and risk factors among oligo/asymptomatic healthcare workers(HCW): estimating the impact of community transmission

Silvia Figueiredo Costa 1,2,, Pedro Giavina-Bianchi 3, Lewis Buss 4, Carlos Henrique Mesquita Peres 5, Mayra Matias Rafael 6, Lanuse Garcia Neves dos Santos 6, Anderson Aparecido Bedin 6, Maria Cristina Peres Braido Francisco 5, Fatima Mitie Satakie 5, Maria Aparecida Jesus Menezes 5, Ligia Maria Dal Secco 5, Deyse Mayara Rodrigues Caron 5, Allan Brum de Oliveira 5, Matheus Finardi Lima de Faria 4, Angelica Sauiuri de Aurélio Penteado 4, Izabel Oliva Marcilio de Souza 5, Grazielly de Fatima Pereira 3, Rafael Pereira 7, Ana Paula Matos Porto 1, Evelyn Patrícia Sanchez Espinoza 1, Maria Cassia Mendes-Correa 2,4, Carolina dos Santos Lazari 6, Jorge Kalil 3, Maria Beatriz de Moliterno Perondi 8, Eloisa Silva Dutra de Oliveira Bonfa 8, Antonio Jose Perreira 8, Ester Sabino 2, Alberto José da Silva Duarte 6, Aluísio Cotrim Segurado 1,2,8, Vera Aparecida dos Santos 6, Anna S Levin 1,2
PMCID: PMC7799298  PMID: 33313659

Abstract

We evaluated the seroprevalence of SARS-CoV-2 and risk factors among 4,987 oligo/asymptomatic HCW. The seroprevalence was 14% and factors associated with being infected with SARS-CoV-2 were lower educational level(aOR of 1.93;95%CI1.03-3.60), using public transport to work (aOR of 1.65;95%CI 1.07-2.62), and working in cleaning or security (aOR of 10.1;95%CI 3.40-26.9).


Articles from Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America are provided here courtesy of Oxford University Press

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