Tag: Covid-19

A randomized, placebo-controlled phase 2–3 trial examined the safety, immunogenicity, and efficacy of two doses of the BNT162b2 vaccine administered 21 days apart in 5-to-11-year-old children. 2,268 children were randomly assigned to receive two injections, 21 days apart, of either the BNT162b2 vaccine (at a dose level of 10 μg, selected during phase 1) or […]