23 May 2022

Pfizer: Children under 5 show strong immune response in three-shot, COVID-19 vaccine regimen


Drugmaker Pfizer on Monday said the third dose of its COVID-19 vaccine produced a strong immune response in children ages 6 months to under 5 years and should meet the criteria for emergency authorization.The three-dose regimen appeared to have an 80% efficacy based on symptomatic infections counted in a subset of a trial involving 1,678 children, though the release did not say how many children were in that smaller group.“We are pleased that our formulation for the youngest children, which we [...]