- Centers for Disease Control and Prevention - Immunizations
- CDC Immunization Schedule Birth - 18 years
- CDC Immunization Schedule Adults
- Catchup Immunization schedule for children six years of age and younger
- The Pink Book
- Immunization Action Coalition (IAC)
- National Foundation for Infectious Diseases (NFID)
- American Academy of Pediatrics (AAP)
- American College of Obstetrics and Gynecology (ACOG)
- The Children’s Hospital of Philadelphia – Vaccine Education Center (CHOP)
- World Health Organization (WHO)
- Vaccinate Your Family
- Vaccine Adverse Event Reporting System (VAERS)
- Standards for Adult Immunization Practice
- Standards for Child and Adolescent Immunization Practices