Travelers' Diarrhea

Travelers' diarrhea (TD) is a term used to describe the diarrhea caused by infection with bacteria, protozoa, or viruses during travel, usually transmitted by ingestion of contaminated food or water. About 80-90% of TD cases are caused by bacterial pathogens—Escherichia coli, Campylobacter jejuni, Shigella sp., and Salmonella sp. Ten percent of TD cases in long-term travelers' are caused by protozoal pathogens such as Giardia intestinalis.

For more information about travelers' diarrhea, please visit the CDC site.

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