American Academy of Family Physicians (AAFP)
The AAFP is dedicated to the provision of responsible advocacy for and education of patients and the public in all health-related matters.

American Academy of Pediatrics (AAP)
The mission of AAP is to attain optimal physical, mental, and social health well-being for all infants, children, adolescents and young adults.

American Medical Association (AMA)
The AMA disseminates up-to-date information on health and medical practice, medical ethics and education to physicians and to the public.

Bill and Melinda Gates Children's Vaccine Program (Gates CVP)
Gates CVP was established to promote equal access to lifesaving vaccines worldwide. This site provides information on advocacy issues, clinical issues, service delivery, immunization financing, safe injections, other related organizations, etc.

Every Child By Two (ECBT)
The goals of ECBT are to raise awareness of the critical need for timely immunization and foster putting in place a systematic way to immunize all of America's children by the age of two.

Immunization Action Coalition (IAC)
Abundant useful information about immunization, including information about immunization resources and their newsletter "Needle Tips."

Immunization Coalitions Technical Assistance Network
This website provides resources and tools to help IZTA members start and sustain successful immunization coalitions.

National Immunization Program (NIP)
This is a comprehensive web site that provides immunization information to the public and health professionals, including training, education materials, promotions, statistics, vaccine safety and disease surveillance.

National Network for Immunization Information (NNII)
Information for the public, health professionals, policymakers, and the media about immunization. Site includes immunization news, a vaccine information database, and a guide to evaluating vaccination information on the Web.