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. 2021 Sep 7;73(5):e1214-e1218.
doi: 10.1093/cid/ciaa1845.

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Seroprevalence and Risk Factors Among Oligo/Asymptomatic Healthcare Workers: 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
Affiliations

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Seroprevalence and Risk Factors Among Oligo/Asymptomatic Healthcare Workers: Estimating the Impact of Community Transmission

Silvia Figueiredo Costa et al. Clin Infect Dis. .

Abstract

We evaluated the seroprevalence of SARS-CoV-2 and risk factors among 4987 oligo/asymptomatic healthcare workers; seroprevalence was 14% and factors associated with SARS-CoV-2 infection were lower educational level (aOR, 1.93; 95% CI, 1.03-3.60), using public transport to work (aOR, 1.65; 95% CI, 1.07-2.62), and working in cleaning or security (aOR, 2.05; 95% CI, 1.04-4.03).

Keywords: SARS-CoV-2; community transmission; health workers; oligo/asymptomatic; seroprevalence.

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