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Explosive Diarrhea Outbreak Sweeps Ohio
6 Jul
Summary
- Ohio health officials reported 177 cyclosporiasis cases in 43 counties.
- Most cases occurred in June, indicating a rapid spread.
- Cyclosporiasis is treatable and preventable by washing produce.
Ohio health authorities have reported a substantial increase in cyclosporiasis cases, with 177 infections identified across 43 counties as of July 2, 2026. A significant portion of these cases, 171, were recorded in June, with a notable spike since June 20th. This situation reflects a broader outbreak affecting the United States. Nationwide, at least 145 cases were reported in 17 states between May 1 and June 16, 2026. Neighboring Michigan has also confirmed over 225 cases in 21 counties.
The parasite, cyclospora cayatenensis, spreads through contaminated food or water. Symptoms include severe watery diarrhea, nausea, weight loss, and appetite loss. While not life-threatening, it is treatable with antibiotics. Public health officials emphasize preventative measures such as meticulous washing of all fruits and vegetables and frequent handwashing. Other foodborne illnesses like E. coli, salmonella, listeria, shigella, and norovirus share similar symptoms and transmission routes, highlighting the importance of food safety practices.
