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
Complications from Flu Largely Preventable with Annual Flu Vaccine
Leading public health organizations emphasize that it’s not too late to help protect yourself and others by getting vaccinated against flu
Act Today, Don’t Delay: #GetVaccinated to Help #FightFlu
With flu activity on the rise and vaccination rates lagging across the US, NFID is reminding everyone age 6 months and older to get vaccinated against flu
Talking about Vaccines without Ruining the Holidays
The time to deal with vaccine 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