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.
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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NFID Statement on AAP Childhood Immunization Schedule
The National Foundation for Infectious Diseases (NFID) endorses the American Academy of Pediatrics evidence-based recommendations to protect children from vaccine-preventable diseases
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians