BNT162b2-induced memory T cells respond to the Omicron variant with preserved polyfunctionality – Nature Microbiology

BNT162b2-induced memory T cell responses against the Omicron spike protein The present study enrolled HCWs without previous SARS-CoV-2 infection (seronegative for SARS-CoV-2 nucleocapsid) who were immunized with 2 (n = 20) or 3 (n = 20) doses of the BNT162b2 messenger RNA vaccine. We also recruited and longitudinally investigated individuals with prior SARS-CoV-2 infection who were immunized with 2 …

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