In clinical trials, the Pfizer-BioNTech vaccine had >90% efficacy in preventing laboratory-confirmed COVID-19 infection in children ages 5–15 years, and the immune response in children ages 5–15 years was at least as strong as the immune response in people ages 16–25 years. ![]() Learn more about how the Centers for Disease Control and Prevention (CDC) is making COVID-19 vaccine recommendationsīased on evidence from clinical trials in people ages 16 years and older, the Pfizer-BioNTech (COMIRNATY) vaccine was 95% effective at preventing laboratory-confirmed infection with the virus that causes COVID-19 in people who received two doses and had no evidence of being previously infected. The Pfizer-BioNTech vaccine is recommended for people ages 5 years and older.
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