The World's Worst Travel Diseases
Photo: Courtesy of the Centers for Disease Control
Hepatitis
What it is: This virus rears its ugly head in many forms, but hepatitis A is the one most travelers should be concerned with. It can be transmitted through contaminated water or uncooked foods, resulting in either a mild illness or a debilitating, months-long disease that includes fever and nausea.
Where it’s found: High-risk areas include most of the developing world—although outbreaks have been known to occur even in parts of the U.S.
How to avoid it: Hepatitis A vaccine and immune globulin are very effective in prevention, so it’s a good idea to be up-to-date on shots. Otherwise, follow the basic rules of consuming clean food and water. (See the CDC’s recommendations on safe food and water.)
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