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
#ShowUp and #FightFlu
The National Foundation for Infectious Diseases (NFID) is working in partnership with Black-led and Black-serving organizations to increase awareness of the importance of annual influenza (flu) vaccination among US Black adults. Special thanks to NFID Immediate Past-President Patricia N. Whitley-Williams, MD, for this guest blog post on the critical role that annual flu vaccines play in protecting Black families and communities …
It’s Not Too Late To #FightFlu
With influenza (flu) activity now high across the US, NFID is joining the Centers for Disease Control and Prevention (CDC) in reminding everyone that it is not too late to benefit from annual flu vaccination. Special thanks to José R. Romero, MD, director of the CDC National Center for Immunization and Respiratory Diseases for this guest blog post …
No es demasiado tarde para #CombatirLaInfluenza
With influenza (flu) activity now high across the US, NFID is joining the Centers for Disease Control and Prevention (CDC) in reminding everyone that it is not too late to benefit from annual flu vaccination. Special thanks to José R. Romero, MD, director of the CDC National Center for Immunization and Respiratory Diseases for this guest blog post …
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians