We analyzed 221 coronavirus disease 2019 cases identified between June 2020 and January 2021 in 6074 individuals screened for immunoglobulin G antibodies in May 2020, representing 77% of residents of 5 Italian municipalities. The relative risk of developing symptomatic infection in seropositive participants was 0.055 (95% confidence interval, .014-.220).

Risk of symptomatic infection during a second coronavirus disease 2019 wave in severe acute respiratory syndrome coronavirus 2-seropositive individuals

Poletti, Piero;Trentini, Filippo;Marziano, Valentina;
2022

Abstract

We analyzed 221 coronavirus disease 2019 cases identified between June 2020 and January 2021 in 6074 individuals screened for immunoglobulin G antibodies in May 2020, representing 77% of residents of 5 Italian municipalities. The relative risk of developing symptomatic infection in seropositive participants was 0.055 (95% confidence interval, .014-.220).
2022
2021
Manica, Mattia; Pancheri, Serena; Poletti, Piero; Giovanazzi, Giulia; Guzzetta, Giorgio; Trentini, Filippo; Marziano, Valentina; Ajelli, Marco; Zuccali, Maria Grazia; Benetollo, Pier Paolo; Merler, Stefano; Ferro, Antonio
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11565/4047627
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