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Parasite Outbreak Sickens Thousands
14 Jul
Summary
- Over 2,800 cyclospora infection cases reported nationally.
- Michigan reports the largest concentration with 2,640 suspected cases.
- Outbreak coincides with reduced funding for foodborne illness programs.

As of Monday, July 13, 2026, health officials reported over 2,800 cases of cyclospora infection across the United States. The parasitic illness, known for causing severe diarrhea and stomach pains, has a significant concentration in Michigan, which has recorded about 2,640 suspected cases. Neighboring Ohio has reported 177 cases.
The U.S. Centers for Disease Control and Prevention confirmed 843 cases and 1,500 suspected cases nationwide, leading to 86 hospitalizations, 44 of which were in Michigan. No deaths have been attributed to the outbreak.
This rise in cyclosporiasis cases occurs about a year after funding for state and local health department programs focused on foodborne illnesses was reduced. Michigan health officials suspect the outbreak is linked to produce consumption, though the specific source remains unidentified.