Specialized subpopulations of CD4+ T cells survey major histocompatibility complex class II–
peptide complexes to control phagosomal infections, help B cells, regulate tissue …

A large body of evidence generated in the last two and a half years addresses the roles of T
cells in SARS-CoV-2 infection and following vaccination. Infection or vaccination induces …

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 highly mutated SARS-CoV-2 Omicron (B. 1.1. 529) variant has been shown to evade a
substantial fraction of neutralizing antibody responses elicited by current vaccines that …

Covid-19 Vaccines — Immunity, Variants, Boosters | New England Journal of Medicine Skip to
main content The New England Journal of Medicine homepage Advanced Search SEARCH …

The severe acute respiratory distress syndrome coronavirus 2 (SARS-CoV-2) Omicron
variant is spreading rapidly, even in vaccinated individuals, raising concerns about immune …

The Omicron variant of SARS-CoV-2 is causing a rapid increase in infections across the
globe. This new variant of concern carries an unusually high number of mutations in key …

Immunological memory is the basis of protective immunity provided by vaccines and
previous infections. Immunological memory can develop from multiple branches of the …

Summary Background Several SARS-CoV-2 variants of concern have been identified that
partly escape serum neutralisation elicited by current vaccines. Studies have also shown …

Abstract Coronavirus Disease 2019 (COVID-19) has been the most severe public health
challenge in this century. Two years after its emergence, the rapid development and …