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
Leading by Example for a Healthier Fall and Winter
CDC guest post on the importance of disease prevention and leading by example to help protect against flu, COVID-19, and RSV
2023 NFID Annual News Conference: News Round-Up
Leading national experts at the 2023 National Foundation for Infectious Diseases (NFID) Annual News Conference: Preventing Disease this Fall and Winter emphasized the importance of vaccination to help prevent disease and protect public health …
US Health Officials Urge Vaccination Against Flu, COVID-19, and RSV This Fall and Winter
New NFID survey shows many US adults underestimate the seriousness of respiratory diseases and do not plan to get vaccinated this season
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians