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
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 …
Early Start to Flu Season Underscores the Urgency of #LeadingByExample
Elevated influenza (flu) activity demonstrates the urgent need for healthcare professionals to make strong recommendations for their patients to get vaccinated against flu, pneumococcal disease, and COVID-19 as soon as possible …
Disparities in Flu Vaccination Coverage Are Cause for Concern
Special thanks to Rochelle P. Walensky, MD, MPH, director of the Centers for Disease Control and Prevention (CDC), for this guest blog post on the importance of addressing barriers to annual influenza (flu) vaccination …
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians