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
As Concerns about Respiratory Diseases Among Public Drop to New Lows, US Health Officials Urge Vaccination
New NFID survey shows fewer than 1 in 5 US adults are concerned about flu, COVID-19, RSV, or pneumococcal disease, and many do not plan to get vaccinated this fall and winter
NFID and Washington Nationals Team Up to #FightFlu
NFID and the Washington Nationals encouraged everyone age 6 months and older to get an annual flu vaccine at the 10th Annual Flu Awareness Night
Protecting Children as They Head Back to School
As school gets underway, experts from the National Foundation for Infectious Diseases (NFID) offer insights on childhood immunization
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians