International Association for Medical Assistance to Travellers (IAMAT)
Coordinates medical services for travellers around the world.
www.iamat.org/
MASTA
Offers health and travel information for traveling abroad. Includes information on diseases, immunizations, travel products, visas, and insurance.
www.masta.org/
International Society of Travel Medicine
Organization of professionals dedicated to the advancement of the specialty of travel medicine.
www.istm.org/
Fit for Travel
Provides health information for people traveling abroad from the U.K.
www.fitfortravel.scot.nhs.uk/
Travel Health Online
Country-specific health and safety information answering questions about immunizations and disease risk as you prepare for travel abroad.
www.tripprep.com/
CDC Travelers' Health
Includes information on outbreaks, specific diseases, recommended vaccinations, and traveling with children and pets. Presented by the National Center for Infectious Diseases.
www.cdc.gov/travel/