Long-Term SARS-CoV-2 Antibody Seroprevalence in Blood Donors, Italy.

Martina Ferrari,Lorenza Di Marco,Alessandra Pivetti,Stefania Paduano, Chiara Vecchi,Veronica Bernabucci,Rosina Maria Critelli,Simone Lasagni, Monica De Maria,Donatella Venturelli,Monica Pecorari, Giorgia Boaretto,Giulia Fregni Serpini,Dante Romagnoli, Roberto Mantovani,Giovanni Battista Ceccherelli,Erica Villa

Emerging infectious diseases（2023）

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摘要

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.

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关键词

antibody,blood donors,long-term,sars-cov

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