The first dominant SARS‐CoV‐2 Omicron variant BA. 1 harbours 35 mutations in its Spike
protein from the original SARS‐CoV‐2 variant that emerged late 2019. Soon after its …

Considerable research effort has been made worldwide to decipher the immune response
triggered upon severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections …

The adaptive immune response is a major determinant of the clinical outcome after SARS-
CoV-2 infection and underpins vaccine efficacy. T cell responses develop early and …

Abstract The SARS-CoV-2 Omicron variant (B. 1.1. 529) has multiple spike protein
mutations, that contribute to viral escape from antibody neutralization,,–and reduce vaccine …

We address whether T cell responses induced by different vaccine platforms (mRNA-1273,
BNT162b2, Ad26. COV2. S, and NVX-CoV2373) cross-recognize early SARS-CoV-2 …

The emergence of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Omicron (B. 1.1. 529) variant of concern (VOC) has destabilized global efforts to control the …

Covid-19 Vaccines — Immunity, Variants, Boosters | NEJM Skip to main content NEJM Group
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Immunological memory is the basis of protective immunity provided by vaccines and
previous infections. Immunological memory can develop from multiple branches of the …

Current coronavirus disease 2019 (COVID-19) vaccines effectively reduce overall morbidity
and mortality and are vitally important to controlling the pandemic. Individuals who …

Background Although the three vaccines against coronavirus disease 2019 (Covid-19) that
have received emergency use authorization in the United States are highly effective …