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Michigan reports 5,002 cyclosporiasis cases as officials seek outbreak source

July 17, 2026 11:48 AM EDT

July 17 (Reuters) - Michigan health ‌officials reported 5,002 ​cases ​of cyclosporiasis on Friday, up 690 cases from a day earlier, as investigators continued efforts to identify the source ‌of the unusually large outbreak of the intestinal illness.

The outbreak ⁠has led to 102 hospitalizations in the state as of July 16, according to ‌the Michigan Department of Health ‌and Human Services.

Here are some details:

• Cyclosporiasis is a parasitic intestinal infection linked to contaminated food, typically raw fruits and vegetables or ​water, and causes diarrhea, nausea and other gastrointestinal symptoms.

• This year's U.S. outbreak is larger and more widespread than previous outbreaks, prompting ⁠concern among health officials.

• U.S. health agencies said on Thursday they are investigating a multistate ​outbreak of cyclospora illnesses linked to shredded iceberg lettuce served at Taco Bell locations in Indiana, Kentucky, Michigan, Ohio, ​and West Virginia.

• The Food and Drug ‌Administration and the Centers for Disease Control and Prevention said that Taco Bell, owned by Yum Brands, will ⁠stop using lettuce from a supplier the agencies have linked to the ongoing cyclosporiasis outbreak.

• The FDA said that according to CDC data, five states have ⁠reported a total of 1,644 people infected with the parasitic intestinal illness who ​also reported exposure to Taco Bell. There have been 94 hospitalizations and no reported deaths.

• California-based supplier Taylor Farms will recall products linked to an ongoing cyclosporiasis ‌outbreak tied to lettuce served at Taco Bell, Bloomberg News reported on Friday, citing a document.

• The FDA ‌said it was working with the identified supplier to determine whether potentially ⁠contaminated shredded iceberg lettuce remains ‌on the market and ​has initiated the collection of product samples for testing and analysis.

(Reporting by Sneha S K in Bengaluru; Editing by ‌Tasim Zahid)



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