Vaccine Efficacy

Clinical trial data demonstrated that after completing a 2-dose series, vaccine efficacy against symptomatic, laboratory-confirmed COVID-19 following receipt of 2 doses of Pfizer-BioNTech COVID-19 Vaccine was:

  • 95% in people age 16–91 years
  • 100% in adolescents age 12–15 years
  • 90.9% in children age 5–11 years

info

ACIP COVID-19 Vaccine Recommendations | CDC


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Page last reviewed: December 3, 2021