The Washington PostThe Washington Post

Pfizer covid shot 80% effective in young kids, early data shows

By Carolyn Y. Johnson

23 May 2022 · 4 min read

Pfizer and its German partner, BioNTech, said Monday that an early analysis showed their three-dose coronavirus vaccine regimen triggered a strong immune response in young children, proving 80% effective at preventing symptomatic infections in children 6 months to 4 years old.

The results, along with other recent developments, signal that the long and frustrating wait for a vaccine for the youngest children, the last group to lack access, could be over within weeks.

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