Outbreak of Cyclosporiasis Grows to More than 1,000 Cases
Health officials say no specific produce grower, supplier or type has been identified, and Michigan cases climbed from 700 to 992 in two days.
- The Michigan Department of Health and Human Services reported 992 cyclosporiasis cases as of Wednesday, July 8, 2026, marking a dramatic surge since the outbreak began June 22.
- Health officials have not identified a specific grower, supplier, or produce type as the outbreak's source, though investigations are ongoing across Michigan and 28 other states.
- Frequent, watery diarrhea and abdominal cramps are common symptoms, with illnesses lasting from a few days to over a month; approximately 40 hospitalizations have been reported due to dehydration.
- Officials confirmed 29 West Michigan cases on Tuesday, with the outbreak concentrated in Southeast Michigan and affecting at least 18 states nationwide.
- MDHHS recommends that entities preparing raw produce buy whole heads of lettuce, wash all fruits and vegetables thoroughly, and cook leafy greens when possible to prevent infection.
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17 Articles
Outbreak of Diarrhea-Causing Parasite Grows to More Than 1,000 Cases
NEW YORK (AP) — Nearly 1,000 people in Michigan have been diagnosed with a parasitic infection that can cause weeks of watery diarrhea, making it the largest such outbreak in state history and one of the nation’s largest in years. No deaths have been reported and the source of the cyclospora infections hasn’t been identified. […]
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Independent EspañolNEW YORK (AP) — Nearly 1,000 people in Michigan have been diagnosed with a parasitic infection that can cause weeks of watery diarrhea, making it the largest outbreak of this type in the history of the state and...
Outbreak of Cyclosporiasis Grows to More than 1,000 Cases
(MedPage Today) -- Nearly 1,000 people in Michigan have been diagnosed with Cyclospora infections that can cause weeks of watery diarrhea, making it the largest such outbreak in state history and one of the nation's largest in years. No deaths...
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