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Explosive Diarrhea Outbreak Sweeps US
10 Jul
Summary
- A new wave of cyclosporiasis is causing widespread illness with severe diarrhea.
- Michigan reports over a thousand cases, a significant increase from typical yearly numbers.
- Fresh produce like greens, herbs, and berries are suspected culprits in the outbreak.

A significant wave of cyclosporiasis, an intestinal infection characterized by severe diarrhea, is currently affecting the United States. Michigan has reported an unprecedented outbreak, far exceeding its usual annual case numbers. Health authorities are actively working to identify the specific food source responsible for the widespread illness.
Experts suspect that contaminated fresh produce, including leafy greens, herbs, and berries, is the likely carrier of the Cyclospora parasite. This microscopic protozoan spreads through contaminated food or water. While typically not contagious person-to-person, large outbreaks are often linked to produce watered or handled with contaminated water.
Other states, including New York, Ohio, Illinois, Florida, and Colorado, are also experiencing notable increases in cases. The Centers for Disease Control and Prevention (CDC) is monitoring these outbreaks nationwide. Cyclosporiasis symptoms include watery diarrhea, abdominal cramps, nausea, fatigue, and potential weight loss if untreated.
Diagnosis requires a specific stool test, as symptoms can mimic other gastrointestinal illnesses. Treatment usually involves the antibiotic trimethoprim-sulfamethoxazole. Public health officials advise caution with fresh produce and recommend consulting a healthcare provider if symptoms of prolonged, watery diarrhea appear.