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
Statement on CDC ACIP Meeting
The National Foundation for Infectious Diseases and leading scientific and medical organizations express alarm at actions by the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices (ACIP)
National Health Organizations: Flu Shots Critical for Individuals with Diabetes, Heart, and Lung Disease
During National Influenza Vaccination Week, experts encourage everyone age 6 months and older to get vaccinated to reduce risk of severe illness and hospitalization
NFID-Led Joint Letter Urges Evidence-Based CDC Guidance
The National Foundation for Infectious Diseases and more than 50 scientific and medical organizations sent the letter criticizing the CDC webpage linking vaccines and autism
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians