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
Measles News Round-Up: Why Vaccination Matters
As NFID celebrates its 50th anniversary, we are looking back at significant moments in public health history. On this day in 1963, the first live virus measles vaccine was licensed for use in the US. …
The History Behind Universal Flu Vaccination
Special thanks to the NFID leaders who offered their reflections on the anniversary of the Centers for Disease Control and Prevention (CDC) recommendation of universal influenza (flu) vaccination for everyone age 6 months and older, on February 24, 2010 …
The Times They Are A-Changin’
Special thanks to ACOG Fellow Tamika C. Auguste, MD, chair of Women’s and Infants’ Services at MedStar Washington Hospital Center, for sharing her reflections on the evolution of vaccines recommended during pregnancy …
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians