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
News Round-Up: Vaccines, Measles, Flu, and COVID-19
News and expert insights on COVID-19, influenza, measles, outbreak preparedness, and vaccine policy—including growing concerns about data gaps, divergent immunization recommendations, and the real-world consequences for public health
NFID Statement on AAP Childhood Immunization Schedule
The National Foundation for Infectious Diseases (NFID) endorses the American Academy of Pediatrics evidence-based recommendations to protect children from vaccine-preventable diseases
NFID Statement on mRNA Technology
Restricting specific vaccine technologies would slow potentially lifesaving research and could discourage investment in future vaccine development
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians