Diseases Home > Typhoid Fever Info

Typhoid fever is a life-threatening illness that affects about 21.5 million people each year in developing countries. In the United States, most cases are acquired while traveling internationally. Typhoid fever is caused by the bacterium Salmonella typhi and is transmitted through the consumption of foods and beverages that have been handled by an infected individual.
Common symptoms include:
Two types of vaccines are available to help prevent typhoid fever. However, these vaccines are not 100 percent effective. It is just as important to avoid risky foods and beverages when you travel.
(For more info on this condition, click Typhoid Fever. This article tells you what you need to know about other symptoms, treatment options, how your healthcare provider will make a diagnosis, and more.)
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Last reviewed by: Arthur Schoenstadt, MD
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