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Lettuce Linked to 100+ Hospitalizations in Michigan
17 Jul
Summary
- Over 100 Michigan residents hospitalized due to a cyclosporiasis outbreak.
- Shredded lettuce from a fast-food chain identified as the likely source.
- The parasitic infection has been confirmed in 64 of Michigan's 83 counties.
As of Friday, July 17, 2026, more than 100 individuals in Michigan have been hospitalized due to a cyclosporiasis outbreak. State health officials have linked this parasitic infection to shredded lettuce served at fast-food restaurants.
Since June, Michigan has recorded 5,002 confirmed cases of cyclosporiasis, resulting in 102 hospitalizations. The infection has spread across 64 of the state's 83 counties, with nearly 700 new cases reported just since the previous day.
Cyclosporiasis is caused by the parasite Cyclospora cayatenensis, which can contaminate produce. While treatable with antibiotics, the illness can cause severe dehydration and electrolyte imbalances. Health authorities advise thorough washing of produce and hands to prevent contamination.
