'Explosive diarrhoea' outbreak remains a mystery as officials struggle to find sources

3 sources8 storiesFirst seen 7/14/2026Score53Breakthrough

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Geography

North America

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AI-Generated Claims

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cases rise KTLAMichigan says diarrhea outbreak may be linked to lettuce, salad greens as cases rise above 3,000

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Cyclosporiasis and the Bay Area: What to Know About the ‘Explosive Diarrhea' Parasite Surging in the US KQEDMichigan says diarrhea outbreak may be linked to lettuce, salad greens as cases rise above 3,000 CNNWorried about the diarrhea outbreak?

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Here's what foods are under scrutiny AxiosCyclosporiasis Outbreak with Unknown Source Centers for Disease Control and Prevention

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Quebec is reporting a rise in diarrhea-causing parasite cases.

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Is it related to a U.S.

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As cyclospora illnesses surge to a record, Michigan officials eye lettuce as a possible cause AP NewsMichigan says diarrhea outbreak may be linked to lettuce, salad greens as cases rise above 3,000

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Experts say there were likely multiple points of contamination in the US food supply - complicating investigations.

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Summary

**Summary:** An "Explosive Diarrhea" outbreak has been reported across several U.S. states, with Michigan officials suspecting lettuce as a possible cause and the Centers for Disease Control and Prevention (CDC) attributing it to cyclosporiasis. **Why It Matters:** This outbreak underscores the complexity of