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Long-Term SARS-CoV-2 Antibody Seroprevalence in Blood Donors, Italy.
Ferrari, Martina; Di Marco, Lorenza; Pivetti, Alessandra; Paduano, Stefania; Vecchi, Chiara; Bernabucci, Veronica; Critelli, Rosina Maria; Lasagni, Simone; De Maria, Monica; Venturelli, Donatella; Pecorari, Monica; Boaretto, Giorgia; Serpini, Giulia Fregni; Romagnoli, Dante; Mantovani, Roberto; Ceccherelli, Giovanni Battista; Villa, Erica.
Emerg Infect Dis ; 29(7): 1479-1481, 2023 07.
Article in English | MEDLINE | ID: covidwho-20235506

ABSTRACT

We evaluated SARS-CoV-2 antibody response in voluntary blood donors in Italy at different timepoints. Immediately after lockdown easing, 908/25,657 donors (3.5%) had low IgG titers against nucleocapsid. In the next 2 years, titers increased despite few COVID-19 symptoms. On multivariate analysis, allergic rhinitis was associated with reduced risk for symptomatic COVID-19.


Subject(s)
Blood Donors , COVID-19 , Humans , SARS-CoV-2 , Seroepidemiologic Studies , COVID-19/epidemiology , Communicable Disease Control , Italy/epidemiology , Antibodies, Viral
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