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Wendy's and Chipotle say restaurants unaffected by cyclosporiasis outbreak

July 17, 2026 10:49 AM EDT

Investing.com -- Wendy's and Chipotle Mexican Grill said on Friday that their restaurants were not affected by a cyclosporiasis outbreak linked to shredded iceberg lettuce served at certain Taco Bell locations.

Wendy's stated that the Centers for Disease Control and Prevention's investigation focuses on iceberg lettuce imported from Mexico, which the burger chain does not use. Chipotle said it does not serve shredded iceberg lettuce, and its romaine lettuce and Supergreens salad mix are not sourced from Mexico.

The U.S. Food and Drug Administration and the CDC are investigating a cyclosporiasis outbreak connected to shredded iceberg lettuce served at Taco Bell locations in Indiana, Kentucky, Michigan, Ohio and West Virginia. The parasitic illness can cause diarrhea and other gastrointestinal symptoms.

On Thursday, the FDA said Yum Brands-owned Taco Bell would stop using lettuce from a supplier identified by the agency in its investigation. This came shortly after Taco Bell announced it had voluntarily removed the affected ingredient and would replace it within 24 hours in some states.

The FDA said 1,644 people infected with the parasitic intestinal illness across five states reported exposure to Taco Bell, citing CDC data.

Taco Bell and the FDA did not name the supplier. The Washington Post reported that California-based supplier Taylor Farms had been identified by investigators as a potential source of contamination in the outbreak.



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