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)
Latest Posts
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Immunization is one of the most effective ways to help protect infants from serious diseases
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Recent measles cases in the US and across the globe have alarmed public health experts and highlight the importance of measles vaccination …
5 Decades of NFID Impact and Dedication
As 2023 comes to a close, we look back at some of the remarkable accomplishments and significant moments in public health history through a round-up of blog posts celebrating the trailblazing efforts of NFID leaders and public health heroes while building momentum to face the challenges of the future …
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians