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Michigan Reports First U.S. Deaths in Cyclospora Outbreak
By Aurax Desk | August 4, 2026 | 2 min read
Michigan health officials have confirmed the first U.S. deaths linked to this year's nationwide cyclospora outbreak as infections continue to rise. The fatalities underscore the risks the foodborne parasite can pose to people with underlying health conditions while investigators continue searching for the outbreak's source.
Laboratory testing continues as health officials investigate the source of the cyclospora outbreak affecting multiple states.
Michigan has reported the first two U.S. deaths associated with this year's cyclosporiasis outbreak, marking a significant development in an illness that has sickened thousands of people across the country. The Michigan Department of Health and Human Services said both individuals had serious underlying medical conditions that may have been worsened by infection with the Cyclospora parasite and dehydration. As of Monday, the state had recorded 11,234 reported cases and 193 hospitalizations, making it the center of the nation's largest known cyclospora outbreak.
Cyclospora is a microscopic parasite that causes an intestinal illness commonly spread through food or water contaminated with human waste. Symptoms typically include prolonged watery diarrhea, stomach cramps, nausea, fatigue and weight loss, with illness often lasting for weeks if left untreated. While the infection is generally not life-threatening and can usually be treated with antibiotics, older adults, people with weakened immune systems and those with serious underlying health conditions face a greater risk of complications. State officials said both people who died became ill before a voluntary recall of iceberg lettuce announced in July.
Ebola outbreak response teams work in affected regions of the Democratic Republic of the Congo as international restrictions expand.
Federal and state investigators continue working to determine the full scope of the outbreak and whether additional contaminated food sources are involved. Earlier investigations linked a multistate outbreak to shredded iceberg lettuce served at some Taco Bell restaurants, prompting recalls and expanded food safety investigations, while Michigan officials have cautioned that lettuce or other salad greens remain only potential sources in the state's outbreak. Health authorities continue to advise consumers to practice safe food handling, seek medical attention for persistent gastrointestinal symptoms and follow recall notices as the investigation continues.
Sources: Reporting is based on information from The Associated Press, Reuters, CNN, NBC News, CBS News and ABC News.