Cyclospora Outbreak

Multiple states report rising cases of cyclospora, a foodborne parasite causing severe diarrhea.

•Mostly Center

Illinois health officials warn of high rate of 'explosive diarrhea' caused by contaminated foods

Michigan sees explosive outbreak of diarrheal parasite with over 700 cases

Cyclosporiasis outbreaks: What to know about the foodborne illness and symptoms

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Michigan has reported more than 700 cyclosporiasis cases since June 22, including 36 hospitalizations as of July 6, after listing 170 cases on June 30. Illinois has reported 141 cases, and federal health officials say several states are seeing higher-than-expected infections during the usual summer season. Cyclosporiasis is caused by the Cyclospora parasite, is commonly linked to contaminated fresh produce, and can cause prolonged watery diarrhea, cramps, bloating and nausea. Health officials have not identified a source for the current outbreak, and heavy testing demand is straining some laboratories.

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Public health guidanceLeft & Center

Cyclospora infections are rising in a large multistate outbreak, so people need to know the symptoms, risks, transmission routes, and treatment basics. Consumers can lower their risk by following produce-safety guidance, watching for updated warnings, and taking extra care with fresh greens while officials search for the source.