Causes of shigellosis (Shigella)

Learn about the causes of shigellosis, how it's spread and where it's found.

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Cause of shigellosis

Shigellosis is an illness of the intestines caused by bacteria called Shigella.

How shigellosis is spread

Shigellosis is easily spread and you can become infected by:

How food and water become contaminated

Food can become contaminated with Shigella when:

Foods that have been found to be contaminated with Shigella include:

Water, including untreated drinking water, can become contaminated with Shigella. This happens when feces from infected people or animals enter the water supply.

Where shigellosis is found

Shigella is naturally found in the intestines of humans.

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