4.8 Article

Antibody responses to the BNT162b2 mRNA vaccine in individuals previously infected with SARS-CoV-2

Journal

NATURE MEDICINE
Volume 27, Issue 6, Pages 981-+

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41591-021-01325-6

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Funding

  1. Cedars-Sinai Medical Center
  2. Erika J. Glazer Family Foundation
  3. F. Widjaja Family Foundation
  4. Helmsley Charitable Trust
  5. National Institutes of Health [U54-CA260591, K23-HL153888]

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Virus-specific antibody levels after a single dose of the BNT162b2 vaccine in individuals previously infected with SARS-CoV-2 are similar to levels after two doses of the vaccine in infection-naive individuals. Post-vaccine symptoms were more prominent for those with prior infection after the first dose, but symptomology was similar between groups after the second dose.
Virus-specific antibody levels after a single dose of the BNT162b2 vaccine in individuals previously infected with SARS-CoV-2 are similar to levels after two doses of the vaccine in infection-naive individuals. In a cohort of BNT162b2 (Pfizer-BioNTech) mRNA vaccine recipients (n = 1,090), we observed that spike-specific IgG antibody levels and ACE2 antibody binding inhibition responses elicited by a single vaccine dose in individuals with prior SARS-CoV-2 infection (n = 35) were similar to those seen after two doses of vaccine in individuals without prior infection (n = 228). Post-vaccine symptoms were more prominent for those with prior infection after the first dose, but symptomology was similar between groups after the second dose.

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