Michigan cyclosporiasis outbreak surpasses 10,000 cases
Analysis based on 6 articles · First reported Jul 28, 2026 · Last updated Jul 30, 2026
The outbreak may impact consumer confidence in lettuce products, particularly iceberg lettuce, and could lead to reduced sales for retailers like Walmart and restaurants like Yum! Brands — Taco Bell. The recall and investigation may also affect Taylor Farms and its Mexican supplier, though the financial impact is likely limited given the localized nature of the outbreak.
United States — Michigan is experiencing its worst-ever outbreak of cyclosporiasis, a parasitic illness causing diarrhea, with over 10,000 cases reported as of July 29, 2026. The outbreak has been linked to iceberg lettuce from central Mexico, supplied by Taylor Farms, and has affected nine states including United States — Michigan, United States — Ohio, United States — Indianapolis, United States — Kentucky, United States — West Virginia, United States — Kansas, United States — Illinois, United States — Oklahoma City, and United States — Pennsylvania. The United States — Centers for Disease Control and Prevention (CDC) and United States — Food and Drug Administration (FDA) are investigating. Taylor Farms voluntarily recalled the implicated lettuce. Health officials recommend avoiding pre-cut lettuce and cooking greens thoroughly. Hospitalizations have reached 160 in United States — Michigan. The outbreak appears to be plateauing, but reporting delays and testing limitations may undercount cases.
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