In the US, all vaccines must be approved or licensed by the Food and Drug Administration (FDA), after which every vaccine is continually evaluated for safety and efficacy. This site reflects evidence-based US immunization recommendations.

2 black grandparents hugging younger children

Recommendations by Age

Evidence-based immunization schedule for infants and children from the American Academy of Pediatrics (AAP)

Evidence-based immunization schedule for adults based on age and medical conditions from the American Academy of Family Physicians (AAFP)

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Updated August 2025

Sources: American Academy of Pediatrics, American Academy of Family Physicians