Author: Baj, Andreina; Novazzi, Federica; Genoni, Angelo; Ferrante, Francesca Drago; Taborelli, Stefano; Pini, Beatrice; Partenope, Michele; Valli, Marilena; Gasperina, Daniela Dalla; Capuano, Riccardo; Prestia, Martina; Spezia, Pietro Giorgio; Azzi, Lorenzo; Focosi, Daniele; Maggi, Fabrizio
Title: Symptomatic SARS-CoV-2 infections after full schedule BNT162b2 vaccination in seropositive healthcare workers: a case series from a single institution Cord-id: 8ur7vmo3 Document date: 2021_6_22
ID: 8ur7vmo3
Snippet: We report 11 cases of SARS-CoV-2 infection in healthcare workers (HCW) naïve for COVID-19 and seropositive after the second dose of the BNT162b2 mRNA vaccine. Based on voluntary-based surveillance, they tested positive for different strains of SARS-CoV-2, as Spike gene sequencing showed. Five of them reported mild symptoms. Given the risk for SARS-CoV-2 introduction from asymptomatic vaccinees, this case series suggests the need to continue nasopharyngeal screening programmes.
Document: We report 11 cases of SARS-CoV-2 infection in healthcare workers (HCW) naïve for COVID-19 and seropositive after the second dose of the BNT162b2 mRNA vaccine. Based on voluntary-based surveillance, they tested positive for different strains of SARS-CoV-2, as Spike gene sequencing showed. Five of them reported mild symptoms. Given the risk for SARS-CoV-2 introduction from asymptomatic vaccinees, this case series suggests the need to continue nasopharyngeal screening programmes.
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