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
Protecting the Health of Black Children
Failure to understand the history of vaccine-preventable diseases risks dooming US children to again suffer needlessly from preventable infections
Advancing Prevention in a Complex Respiratory Season
2025–2026 Respiratory Campaign round-up: NFID and partners urge immunization to help protect against COVID-19, flu, RSV, and pneumococcal disease
NFID Statement on US Military Flu Vaccine Policy Change
Annual influenza vaccination is the best way to help protect against potentially serious flu complications, including among members of the military and their families.
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians