The immunizations that the Centers for Disease Control and Prevention recommends before traveling depend on the country the person is traveling to as well as the traveler's overall health, age and travel plans, explains WebMD. Commonly recommended vaccinations include typhoid and yellow fever, notes the CDC.
Travelers to developing countries need vaccines for polio, typhoid and measles, says the CDC. Other vaccines the CDC recommends include hepatitis A and hepatitis B. Travelers who plan to take part in a lot of outdoor activities are advised to get a rabies vaccine. The CDC also recommends that all travelers be up to date on routine vaccines such as the varicella vaccine and the diphtheria-tetanus-pertussis vaccine.