Pfizer/BioNTech and Moderna vaccines induce T-cell immunity against SARS-CoV-2: However, Marcela Maus and colleagues also found that vaccinated individuals had diminished T-cell responses against the SARS-CoV-2 variants that emerged in the U.K. (B.1.1.7), South Africa (B.1.351), ... Source: "South Africa" - BingNews … [Read more...] about SA News: Pfizer/BioNTech and Moderna vaccines induce T-cell immunity against SARS-CoV-2