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Cholera is an infectious disease caused by bacteria.

Cryptosporidiosis is an infection that causes diarrhea. It is sometimes called crypto. It is caused by a parasite found in stool.

Dengue (pronounced DEN-gee) fever is a viral disease. It is transmitted by mosquitoes mainly in tropical and subtropical areas of the world.

Here you will find detailed information on common health problems associated with travel in developing countries.

Detailed information on traveling with diabetes, from packing your supplies to air travel, planning your injections when changing time zones, and storing your insulin.

Detailed information on the most common types of diarrheal diseases, including cryptosporidiosis, diarrhea, traveler's diarrhea, salmonella infection, and giardiasis

One Escherichia coli strain that causes a severe intestinal infection in humans is known as enterohemorrhagic E. coli (EHEC). It’s the most common strain to cause illness in people. It’s different from other E. coli because it makes a potent toxin called Shiga toxin. This toxin damages the lining of the intestinal wall, causing bloody diarrhea.

Here you will find detailed information on emerging infectious diseases and how travelers can reduce their risk.

Detailed list of what a traveler's first-aid kit should include.