Founded in 1994, Passport Health is one of the largest providers of travel medical services in the United States. It offers travel health information and immunizations for international travelers, major corporations, universities and other international organizations. Passport Health provides protective vaccines for anthrax, Japanese encephalitis, yellow fever, shingles, cervical cancer, influenza, and hepatitis A and hepatitis B. It also offers immunizations at companies, churches, schools and other organizations. Its travel medicine specialists assess client s health history and individual needs based on itinerary, as well as provide information on health risks, required and recommended immunizations, safety precautions, security tips and medical evacuation.