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

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, al...

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Veröffentlicht in:	Emerging infectious diseases 2023-07, Vol.29 (7), p.1479-1481
Hauptverfasser:	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
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Antibodies Antibodies, Viral Asymptomatic Blood & organ donations blood donor population Blood Donors Communicable Disease Control COVID-19 COVID-19 - epidemiology COVID-19 vaccines Hay fever Health aspects Health care Humans Immune response Immunoglobulin G Infections Italy Italy - epidemiology Long-Term SARS-CoV-2 Antibody Seroprevalence in Blood Donors, Italy Pandemics Public health Research Letter Rhinitis SARS-CoV-2 Seroepidemiologic Studies serologic analysis Serology Severe acute respiratory syndrome coronavirus 2 Statistics Vaccines Viral antibodies
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Zusammenfassung:	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.
ISSN:	1080-6040 1080-6059
DOI:	10.3201/eid2907.221745