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
US Health Officials Urge Vaccination To Help Protect Against a Potentially Severe Flu Season
Following a mild flu season in 2021-2022, an NFID survey shows only 49% of US adults plan to get a flu vaccine this season
Resource Round-Up: Promoting Immunization Awareness
As National Immunization Awareness Month (NIAM) comes to an end, the National Foundation for Infectious Diseases (NFID) has compiled a list of partner resources that can be used throughout the year to raise awareness about vaccine-preventable diseases and the importance of disease prevention …
Protecting Infants: The Importance of Staying Up To Date with Recommended Vaccines
National Infant Immunization Week (NIIW), is an annual observance scheduled for April 24-30, 2022, to highlight the positive impact of vaccination on the lives of infants and children. The priority this year is to ensure that families stay on track for routine checkups and vaccinations following disruptions from the COVID-19 pandemic …
Updated August 2025
Sources: American Academy of Pediatrics, American Academy of Family Physicians