Health information on the Travel Health Resource® website is based on information from the following authoritative sources:

1. CDC - Centers for Disease Control and Prevention
2. CDC - Health Information for International Travel
3. WHO - International Travel and Health
4. WHO - World Health Organization
5. PAHO - Pan American Health Organization
6. DOS - United States Department of State
7. ACIP - Advisory Committee of Immunization Practices
8. AAP - American Academy of Pediatrics

These resources are reviewed on a continuing basis for accurate and up to date information. As a result, the website remains current and comprehensive.