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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.

At certain times of the year, some species of fish and shellfish contain toxins, even if well-cooked. The most common type of fish poisoning in travelers is ciguatera fish poisoning.

Detailed information on health preparations before you travel and during travel

Detailed information on the most common high risk diseases for travelers, including African trypanosomiasis (African sleeping sickness), mad cow disease, HIV, AIDS, cholera, e. coli, dengue fever, diarrheal disease, cryptosporidiosis, diarrhea, traveler's

BSE is a cattle disease, and vCJD is the equivalent disease in humans. Both are fatal brain diseases. Researchers believe that people become infected by eating beef contaminated with BSE.

Detailed information on health considerations after returning home from traveling abroad.

Detailed safety information for travelers.