History1930sUnited Stateshigh confidence

The American Academy of Pediatrics has issued vaccine recommendations since the 1930s.

Notes on verification

Confirmed by AAP's own official records, peer-reviewed literature on ACIP history, and academic sources, all agreeing AAP vaccine recommendations began in the 1930s (1934-1938). [tier=gold indep_score=0.925 clusters=4 claim_tier=notable]

Sources