Differential T-Cell Immunity to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in mRNA-1273- and BNT162b2-Vaccinated Individuals

Clin Infect Dis. 2022 Aug 24;75(1):e869-e873. doi: 10.1093/cid/ciac201.

Abstract

COVID-19 breakthrough cases among vaccinated individuals demonstrate the value of measuring long-term immunity to SARS-CoV-2 and its variants. We demonstrate that anti-spike T-cell responses and IgG antibody levels are maintained but decrease over time and are lower in BNT162b2- versus mRNA-1273-vaccinated individuals. T-cell responses to the variants are relatively unaffected.

Keywords: BNT162b2; SARS-CoV2 mRNA vaccine; T-cell immunity; T-cell response; mRNA-1273.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • 2019-nCoV Vaccine mRNA-1273
  • Antibodies, Viral
  • BNT162 Vaccine
  • COVID-19 Vaccines
  • COVID-19* / prevention & control
  • Humans
  • SARS-CoV-2 / genetics
  • T-Lymphocytes

Substances

  • Antibodies, Viral
  • COVID-19 Vaccines
  • 2019-nCoV Vaccine mRNA-1273
  • BNT162 Vaccine

Supplementary concepts

  • COVID-19 breakthrough infections