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
Leading Health Organizations Urge Flu Vaccination for Those at Higher Risk
During National Influenza Vaccination Week, experts encourage everyone age 6 months and older to get vaccinated to reduce risk of severe illness and hospitalization
It’s Not Too Late to #GetVaccinated to Help #FightFlu
NFID has compiled resources for National Influenza Vaccination Week to help raise awareness about the importance of flu prevention and treatment
Talking about Vaccines (and Election Results) without Ruining the Holidays
The time to deal with misinformation is immediately. And the way to deal with it is through building connections and expressing empathy.
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians