Emerging Infectious Diseases (Jun 2022)

Dynamics of SARS-CoV-2 Antibody Response to CoronaVac followed by Booster Dose of BNT162b2 Vaccine

  • Marcela Helena Gambim Fonseca,
  • Ana Carolina Matias Dinelly Pinto,
  • Maria Francilene Souza Silva,
  • Amanda Campelo Lima de Melo,
  • Germana Silva Vasconcelos,
  • Eduardo Ruback dos Santos,
  • Fernanda Montenegro de Carvalho Araújo,
  • Luiz Odorico Monteiro de Andrade

DOI
https://doi.org/10.3201/eid2806.220061
Journal volume & issue
Vol. 28, no. 6
pp. 1237 – 1240

Abstract

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We evaluated the longitudinal dynamics of antibody response to the SARS-CoV-2 vaccine CoronaVac and the effect of a booster dose of BNT162b2 vaccine. We found a robust antibody response after the second dose of CoronaVac that wanes over time. The response was recovered by BNT162b2, which boosted anti-spike antibody titers.

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