Michigan Reports the First Two Deaths Among People Sick With Cyclospora as State Cases Pass 11,000

Two Michigan residents have died after being infected with Cyclospora, a microscopic parasite spread through food or water contaminated with human feces, the Michigan Department of Health and Human Services said on Monday, August 3, 2026. They are the first deaths reported in an outbreak that has now sickened more than 11,000 people in the state.

Key facts

Michigan has reported 12,485 Cyclospora cases since June 22, 2026, as of the state’s August 6 update, and 279 hospitalizations as of the same date.
On August 6, 2026 MDHHS said new case reports are slowing and returned to routine guidance for handling lettuce and salad greens, while still advising against recalled lettuce.
The state reported its first two outbreak deaths on August 3, 2026; both people had significant underlying health conditions, and MDHHS has not called the parasite the cause of either death.
Cases have reached 70 of Michigan’s 83 counties, with Wayne and Oakland counties each reporting more than 1,000 cases.
Investigators have linked part of the outbreak to iceberg lettuce from a single Mexican supplier, based on where sick people ate rather than a positive product test; Taylor Farms de Mexico recalled that lettuce on July 17, 2026.
Nationally, the CDC (Centers for Disease Control and Prevention)’s lab-confirmed count is 13,895 cases in 47 states as of August 10, 2026, separate from Michigan’s own state total and from a federal lettuce-specific count of 6,358 cases in 15 states.

The Two Deaths

Both deaths are counted as part of the outbreak, and the state has not called the parasite the cause of either one. MDHHS said medical records showed both people had significant underlying health conditions that may have been impacted by cyclosporiasis — the illness the parasite causes — and by dehydration. That is a narrower statement than it may look: it places the infection among the things that may have pushed an already sick body further, without saying it is what killed either person. The department did not release names, ages, counties or genders, and said no further details about the deaths would be provided.

The danger here is less the parasite itself than what it does to a body already under strain: days or weeks of watery diarrhea, and the fluid loss that follows. MDHHS says cyclosporiasis is generally not a life-threatening illness and that death from it is uncommon in the United States, and the state has counted two deaths among the more than 11,000 Michigan cases.

How Big the Outbreak Has Grown

The scale in Michigan is what sets this year apart. The state has reported 12,485 cases since it began tracking the outbreak on June 22, 2026, as of its August 6 update, and 279 people had been hospitalized as of that date — the state refreshes case counts on weekdays and the hospitalization figure once a week, on Thursdays, which is why that number jumped from the 193 counted a week earlier. Michigan normally records about 50 cyclosporiasis cases in a full year. The outbreak was first detected in Monroe County in late June and has since reached 70 of the state’s 83 counties, with Southeast Michigan hit hardest — Wayne and Oakland counties have each reported more than 1,000 cases.

Timeline

June 22, 2026 — Michigan begins tracking the outbreak
Late June 2026 — Outbreak first detected in Monroe County
June 29 – July 16, 2026 — Recalled lettuce shipped to Taco Bell locations and to Walmart, Jack in the Box and Sysco customers
July 13, 2026 — Heaviest single day of reporting so far, with 726 new cases
July 17, 2026 — Taylor Farms de Mexico recalls all iceberg lettuce sourced from central Mexico
July 19-20, 2026 — FDA (Food and Drug Administration) withdraws its positive Cyclospora test result on a Taylor Farms sample, calling it a false positive
July 24, 2026 — FDA says there are no confirmed positive product samples
July 29, 2026 — Michigan’s case count crosses 10,000
August 3, 2026 — Michigan reports 11,234 cases and its first two outbreak deaths
August 5, 2026 — Michigan’s count reaches 12,218
August 6, 2026 — Michigan’s count reaches 12,485 and 279 hospitalizations; MDHHS says case reports are slowing and lifts its precautionary advice on lettuce and salad greens

Symptoms and Treatment

If this reaches you, the practical part is short. Cyclosporiasis brings prolonged watery diarrhea, often frequent or explosive, and can also bring nausea, cramping, bloating, vomiting, loss of appetite, weight loss and fatigue. Symptoms usually begin about a week after infection and can last from a couple of days to two weeks or longer. It does not clear up the way ordinary food poisoning does, and it is usually treated successfully with the antibiotic combination trimethoprim-sulfamethoxazole, sold as Bactrim — which means seeing a doctor rather than waiting it out, especially for anyone older or living with a heart, lung, liver or immune condition, for whom dehydration is the real hazard.

Can You Catch It From Someone Else, and Does Washing Help?

Two other things are worth knowing. You are very unlikely to catch this from another person: once the parasite leaves the body it has to spend one to two weeks outside before it can infect anyone at all, and that delay is the whole reason — someone sick in your house cannot hand it straight to you the way a stomach bug goes around. And washing produce does not remove this particular parasite, though it is still worth doing.

The Lettuce Investigation

Investigators have pointed to one food. MDHHS took food histories from 190 sick people who had eaten at Taco Bell. About 90% of them reported iceberg lettuce. Tracing that lettuce back through the supply chain led to a single Mexican supplier serving the Taco Bell locations involved. On July 17, 2026, Taylor Farms de Mexico voluntarily recalled all iceberg lettuce it sourced from central Mexico. That lettuce had gone out between June 29 and July 16 to Taco Bell restaurants in Indiana, Kentucky, Michigan, Ohio and West Virginia, and to Walmart, Jack in the Box and customers of the food-service distributor Sysco, reaching more than two dozen states.

The growing area involved accounts for under 1% of the U.S. iceberg lettuce supply, and the recall covered specific product from one supplier, not lettuce generally. If you are standing in front of the lettuce at the store this week, that is the size of it: one supplier’s product, shipped in a window that closed on July 16 and pulled the day after. No public finding has widened the problem to iceberg lettuce as a whole or to Taylor Farms’ other produce, and investigators have not named a farm, a field or a point in the supply chain where the contamination happened.

What This Means for Taco Bell Customers

The restaurant question is the one more people are actually carrying, since Taco Bell is where many of the sick people investigators interviewed had eaten. Taco Bell has said it stopped using that lettuce at all of its locations. The last shipments of the recalled product went out on July 16, nearly three weeks before this was written, and symptoms usually begin about a week after infection — so for that particular product, the stretch of time in which someone could have been exposed is now behind them rather than ahead. What no agency has said is that the outbreak is finished. Michigan’s count is still climbing, some patients have reported getting sick after the recalled lettuce’s expiration dates had passed, which points to the possibility of other sources, and the FDA has said further brands, restaurants, retailers or distribution channels may still be identified. Nothing in the public record declares the recalled lettuce fully out of the supply chain, so if you ate this food in July the useful posture is to watch for the symptoms above and see a doctor if they arrive, not to settle the question either way.

The Withdrawn Lab Test

The link to that lettuce rests on where sick people ate, not on a lab result. An FDA test that first appeared to find Cyclospora on a Taylor Farms sample was withdrawn on July 19-20, 2026, after laboratory experts re-examined it and concluded the finding “does not represent true amplification and should be considered a false positive.” As of July 24 the agency said there were no confirmed positive product samples, while keeping the same lettuce at the center of its investigation.

Why the National Numbers Don’t Match

Nationally, three counts are in circulation, and they are not three versions of the same number. If you want one figure to carry away, Michigan’s 12,485 is the one the state is standing behind for Michigan; nationally there is no single total that holds still. The three, smallest to largest, are the federal investigation into the lettuce, the CDC’s laboratory-confirmed count, and a wider estimate that adds in cases still pending — and each one counts a different group of people, which is why the biggest of them is not the federal one.

The narrowest is the federal investigation tied specifically to iceberg lettuce: 6,358 cases across 15 states — Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Missouri, Nebraska, New Hampshire, North Carolina, Ohio, Oklahoma, Pennsylvania and West Virginia. Michigan is among them, but only the Michigan patients investigators have connected to that lettuce are in the 6,358. It is not a competing estimate of how many people in Michigan are sick, which is why it sits so far below the state’s own total.

The middle one is the CDC’s laboratory-confirmed count: 13,895 infections acquired in the United States across 47 states between May 1 and August 10, 2026, each backed by a positive lab test reported to the CDC — up from 10,468 as of the earlier August 3 count. Among those patients, 740 were hospitalized and two died. Michigan’s 12,485 count, from August 6, no longer exceeds that national figure; the two never measured the same thing to begin with. The CDC separately lists more than 10,455 further cases that are not laboratory confirmed or are still under investigation, many of them reported by Michigan. Even so, the public record does not line the state and federal totals up case for case.

The widest count is what those pending cases add up to. Put the CDC’s confirmed cases and the CDC’s own unconfirmed ones together and the national figure runs past 22,000 — but that is a sum of two CDC counts as carried in news coverage, not a total the CDC publishes as a single number. The state spread has widened the same way: the CDC’s laboratory-confirmed count now reaches 47 states, against the 15 in the federal lettuce investigation.

Is the Outbreak Slowing Down?

The count is still climbing, but the state now says the rate is easing. Michigan crossed 10,000 cases on July 29, reported 11,234 on August 3, 12,218 on August 5 and 12,485 on August 6. The heaviest single day of reporting so far was July 13, with 726 new cases. On August 6, MDHHS said new case reports are slowing and that diarrhea-related emergency department visits are on a downward trend, and on that basis it returned to routine guidance for handling lettuce and salad greens — its precautionary advice is no longer in force, though it still says to avoid recalled lettuce. That is a statement about the trend, not the end: neither MDHHS nor the CDC has said the outbreak is over, and the CDC has said it expects cases to keep coming through August, which is normally when the Cyclospora season ends.

What’s Confirmed and What Isn’t

On the cause, two things are true at the same time, which is what can make it read like a contradiction. Investigators have identified the source of the nine-state lettuce cluster, and a recall followed. They have not explained every case in Michigan, or across the country, with that lettuce alone. No product sample has tested positive, no farm or field has been publicly named, and the work of accounting for the rest of the cases is still going on.