First Two Deaths Reported in Record Cyclospora Outbreak as Michigan Cases Top 11,000
Michigan health officials on Monday reported the first two deaths connected to this year’s nationwide cyclosporiasis outbreak, a milestone health officials say is unusual for a parasitic illness that is not typically considered life-threatening in the United States.
What Michigan Reported
The Michigan Department of Health and Human Services said in a Monday website update that “both individuals had significant underlying health conditions that may have been impacted by cyclosporiasis and dehydration,” according to CNBC. The department said no further information would be released about the two cases.
Michigan has emerged as the epicenter of this year’s outbreak, reporting 11,234 cases and 193 hospitalizations as of Monday — a case count that has outpaced the CDC’s own national tally, since many of Michigan’s reported cases have not yet gone through laboratory confirmation. The CDC separately confirmed it is “aware of two cyclosporiasis-related deaths in people with underlying health conditions from Michigan” and said it would update its own website to reflect confirmed cases, hospitalizations, and deaths going forward.
How This Fits the National Picture
According to ABC News, cases of cyclosporiasis nationwide have topped 18,000 across 45 states since May 1, based on CDC data updated Wednesday, July 30. Of those, 6,707 cases have been laboratory-confirmed, including 423 hospitalizations. Newsweek reported that the CDC is aware of more than 11,500 additional cases that remain unconfirmed or under investigation, with many of those coming from Michigan and Ohio specifically.
NPR confirmed the outbreak is now the largest cyclosporiasis outbreak on record in the United States, with the CDC and FDA investigating cases across 45 states.
A Possible Silver Lining
Despite the deaths, Michigan officials offered one piece of more encouraging news. A Michigan health department spokesperson told Newsweek that fewer new cyclospora cases have been reported in recent weeks compared to earlier in the outbreak, with fewer people reporting new onset of symptoms as well — giving the department what it described as “growing confidence that the outbreak is declining.”
The Source: Recalled Lettuce, Still Under Investigation
As previously reported, part of this outbreak has been tied to shredded iceberg lettuce supplied by Taylor Farms de Mexico and served at Taco Bell locations across nine states. The company recalled all iceberg lettuce sourced from central Mexico on July 17, and Taco Bell confirmed last month that it had stopped using lettuce from Taylor Farms de Mexico at all of its restaurants nationwide, according to ABC News.
It’s important to note that the broader outbreak spans more than just the Taco Bell-linked cases. The CDC has said it continues to investigate other clusters of cyclosporiasis nationally that are separate from the nine-state lettuce-linked outbreak, meaning the full picture of what’s driving this year’s record case count remains only partially resolved.
Why Deaths From This Illness Are So Unusual
Michigan health officials were direct in noting that fatalities from cyclosporiasis are rare in the United States. According to the Michigan Department of Health and Human Services’ own outbreak resources, death resulting from cyclosporiasis is uncommon in the U.S., which is part of why these two cases are drawing particular attention even amid a large-scale outbreak.
Cyclospora is a parasite that typically spreads through food or water contaminated with human waste, according to NPR, and outbreaks in the U.S. have historically been linked to imported fresh produce such as raspberries, basil, snow peas, mesclun lettuce, and cilantro, according to the CDC. The most common symptom is watery diarrhea, which the CDC describes as sometimes involving “frequent and sometimes explosive bowel movements.” Standard food safety practices — including cooking produce to 158°F when applicable — can kill the parasite, according to NPR’s reporting, though washing produce thoroughly remains the primary recommended precaution, since Cyclospora isn’t always eliminated by chemical disinfecting alone.
FAQ
How many people have died in this year’s Cyclospora outbreak? Two deaths have been reported, both in Michigan, according to the state’s health department. Both individuals had significant underlying health conditions that officials say may have been affected by cyclosporiasis and dehydration.
How many total cases has this outbreak caused? Nationally, cases have topped 18,000 across 45 states since May 1, according to CDC data, with 6,707 cases laboratory-confirmed as of late July. Michigan alone has reported 11,234 cases.
Is the outbreak connected to the Taco Bell lettuce recall? Part of it is. A separate nine-state outbreak tied to Taylor Farms de Mexico iceberg lettuce served at Taco Bell has been identified, but the CDC says it’s also investigating other clusters of cyclosporiasis nationally unrelated to that specific source.
Is the outbreak getting better or worse? Michigan health officials say they have “growing confidence that the outbreak is declining” locally, citing fewer new cases and fewer people reporting new symptoms in recent weeks, though the CDC continues to track the broader national picture.
Is cyclosporiasis usually fatal? No. Health officials in Michigan and at the CDC both describe deaths from cyclosporiasis as uncommon in the United States, which is why these two cases — both involving people with pre-existing health conditions — are considered notable even within a large outbreak.
Conclusion
The first confirmed deaths in this year’s outbreak mark a somber milestone in what officials already describe as the largest cyclosporiasis outbreak on record in the U.S. — but Michigan’s early signs of a decline in new cases offer some reason for cautious optimism. With the CDC continuing to investigate multiple separate clusters and case totals still being finalized nationally, health officials continue to recommend standard food safety precautions, particularly thorough washing of fresh produce, even when it’s labeled pre-washed.
Sources: ABC News, CNBC, NPR, Newsweek, NBC News, Michigan Department of Health and Human Services, CDC (reporting dated August 3-4, 2026).