Cyclosporiasis Cases Continue to Rise, as Michigan Remains Hardest Hit State
Health officials say the outbreak may be the largest in U.S. history, with 102 hospitalizations reported as investigators search for the source.
- Michigan Health officials reported the cyclosporiasis outbreak reached 7,171 cases on Wednesday, representing a 9% increase over Tuesday's total of 6,571.
- The outbreak has spread to 55 Michigan counties, with Wayne County among the hardest-hit areas, while officials suspect lettuce or salad greens as the contamination source.
- Symptoms include watery diarrhea, nausea, and fatigue; as of last Thursday, 102 people had received hospital treatment, more than double the 44 hospitalizations reported the previous week.
- The FDA investigation remains open after a Taylor Farms lettuce sample tested as a false positive on Sunday, while officials advise purchasing whole heads of lettuce instead of pre-washed bags.
- Tracing the parasite is difficult because it leaves no genetic fingerprints; Michigan typically sees around 50 cases annually, making this potentially the largest cyclosporiasis outbreak in United States history.
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Michigan’s Cyclosporiasis Outbreak Tops 9,600 Cases
Photo; Rob Schumacher ~ USA TODAY NETWORK PODCAST: July 21, 2026 ~ Mark Miller, owner of Little Camille’s by the Green, discusses whether concerns surrounding the Cyclospora outbreak are influencing what consumers are purchasing and eating.MICHIGAN ~ A parasitic outbreak in Michigan ballooned to 9,680 cases Monday, up from just over 8,100 cases Friday, as the source of the month-long Cyclosporiasis outbreak is still under investigation.…
Cyclosporiasis cases continue to rise, as Michigan remains hardest hit state - The Mexico Ledger
Vegetables and lettuces at a grocery store in Michigan. Michigan health officials say lettuces and salad greens are emerging as a likely source in the nationwide cyclosporiasis outbreak, which has sickened thousands of people across the country. (Photo by Jon King/Michigan Advance)Michigan has documented 8,176 cases of cyclosporiasis, according to the Department of Health and Human Services, marking a significant increase from the 5,002 cases it…
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