Cyclospora Outbreak Surges in Michigan, Approaching 1,000 Cases

WHO:

Fox News - The Michigan Department of Health and Human Services (MDHHS) is tracking the outbreak.

ClickOnDetroit | WDIV Local 4 - Dr. Matthew Sims, director of Infectious Diseases Research at Corewell Health, commented on the outbreak.

ClickOnDetroit | WDIV Local 4 - Dr. Claudia Richardson, medical director for Detroit’s Health Department, provided guidance on handling produce.

WHAT:

ABC News US - Michigan's outbreak of cyclosporiasis has grown to more than 1,000 confirmed cases.

Fox News - The CDC has reported that more than 140 Americans in over a dozen states have been sickened by cyclosporiasis.

Fox News - The outbreak in New York City has reached 301 cases this year, with an additional 125 cases reported in the rest of the state.

WLWT - As of July 2, the Ohio Department of Health reported 177 cases of cyclosporiasis this year, with 171 occurring in June, mostly since June 20.

Fox News - As of July 8, Michigan has reached nearly 1,000 confirmed cases of cyclosporiasis, with the official count at 992 cases.

Fox News - The CDC has reported that more than 140 Americans in over a dozen states have been sickened by cyclosporiasis.

Fox News - The outbreak in New York City has reached 301 cases this year, with an additional 125 cases reported in the rest of the state.

ABC News US - The outbreak in Michigan has grown to more than 1,000 confirmed cases.

Fox News - The national baseline for cyclosporiasis cases was reported at just 145 cases between May 1 and June 16, highlighting the rapid increase in Michigan's outbreak.

WLWT - As of July 2, the Ohio Department of Health reported 177 cases of cyclosporiasis this year, with 171 occurring in June, mostly since June 20.

Fox News - The national baseline for cyclosporiasis cases was reported at just 145 cases between May 1 and June 16.

ClickOnDetroit | WDIV Local 4 - As of July 6, MDHHS reported that the case count had reached 992 confirmed cases in Michigan.

ClickOnDetroit | WDIV Local 4 - Dr. Matthew Sims noted that in the previous year, only 36 tests for Cyclospora were sent, with none positive, while this year, 26 tests were sent and 15 were positive.

Fox News - The Michigan Department of Health and Human Services (MDHHS) reported 992 confirmed cases of cyclosporiasis in the state.

ClickOnDetroit | WDIV Local 4 - The case count continues to climb, with the highest case counts now reported in Monroe County (173), Washtenaw County (95), Lenawee County (86), and Wayne County (58), with an additional six cases specifically within Detroit city limits.

Fox News - Nearly 1,000 confirmed cases of cyclosporiasis have been reported in Michigan.

ClickOnDetroit | WDIV Local 4 - More than 700 reports of cyclosporiasis have been received by MDHHS since June 22, with 36 hospitalizations connected to the outbreak.

ClickOnDetroit | WDIV Local 4 - The outbreak is described as "one of the largest we’ve ever had in Michigan" by Dr. Matthew Sims.

ClickOnDetroit | WDIV Local 4 - The highest case counts are in Monroe County (173), Washtenaw County (95), and Lenawee County (86).

ClickOnDetroit | WDIV Local 4 - Cases have been reported in at least 35 counties across Michigan.

WHERE:

WLWT - The county with the highest number of cases in Ohio is Lucas County, where Toledo is located.

Fox News - The outbreak is particularly concentrated in Southeast Michigan.

ClickOnDetroit | WDIV Local 4 - Specific counties affected include Monroe, Washtenaw, Lenawee, and Wayne County, which includes Detroit.

WHEN:

Fox News - The CDC considers May 1 through August 31 to be peak cyclosporiasis season.

ClickOnDetroit | WDIV Local 4 - The MDHHS reported more than 700 cases since June 22.

WHY:

Fox News - The CDC has linked previous seasonal outbreaks of cyclosporiasis to imported produce, including basil, cilantro, mesclun lettuce, raspberries, and snow peas.

Fox News - The outbreak is suspected to be linked to contaminated produce, although no specific source has been identified.

ClickOnDetroit | WDIV Local 4 - Health officials suspect that contaminated produce is to blame, with past outbreaks linked to items like bagged lettuce, basil, and raspberries.

HOW:

Fox News - MDHHS has activated a dedicated outbreak webpage to track the crisis.

Fox News - MDHHS is advising food handlers to wash all items thoroughly under running water and to cook greens, herbs, and berries whenever possible to kill the parasite.

Fox News - MDHHS is advising restaurants, commercial kitchens, and other entities preparing or serving raw produce in Southeast Michigan to select whole produce over pre-washed bagged mixes.

Fox News - The CDC is conducting traceback investigations regarding the spike in cases.

ClickOnDetroit | WDIV Local 4 - MDHHS advises washing all produce thoroughly and cooking greens, herbs, and berries whenever possible to kill the parasite.

(UPDATED July 9, 2026 01:27 UTC)

Michigan is currently facing a significant outbreak of cyclosporiasis, with over 1,000 confirmed cases reported. The CDC has indicated that more than 140 Americans across more than a dozen states have fallen ill, including 301 cases in New York City and 125 additional cases throughout the rest of the state. In Ohio, the Department of Health has confirmed 177 cases this year, primarily in Lucas County, and the Michigan Department of Health and Human Services has launched a dedicated webpage to monitor the situation.

(UPDATED July 9, 2026 00:20 UTC)

Michigan is currently facing a significant outbreak of cyclosporiasis, with nearly 1,000 confirmed cases, bringing the official count to 992. The CDC has reported that more than 140 Americans across over a dozen states have been affected, with New York City alone accounting for 301 cases this year and an additional 125 cases reported statewide. In response to the crisis, the Michigan Department of Health and Human Services has activated a dedicated outbreak webpage to keep the public informed.

(UPDATED July 8, 2026 22:21 UTC)

The outbreak of cyclosporiasis in Michigan has surged to more than 1,000 confirmed cases, a stark contrast to the national baseline of just 145 cases reported between May 1 and June 16. In Ohio, the Department of Health noted 177 cases this year, with a significant spike of 171 occurring in June, primarily after June 20. Lucas County, home to Toledo, has reported the highest number of cases in Ohio.

(UPDATED July 8, 2026 21:20 UTC)

The Michigan Department of Health and Human Services has reported a significant rise in cyclosporiasis cases, with the count reaching 992 confirmed cases as of July 6, compared to just 145 cases reported nationally between May 1 and June 16. Dr. Matthew Sims highlighted a stark increase in testing this year, with 26 tests conducted and 15 returning positive, whereas only 36 tests were performed last year with none yielding positive results. The CDC has previously linked seasonal outbreaks of cyclosporiasis to imported produce, prompting MDHHS to advise food handlers to wash all items thoroughly and to cook greens, herbs, and berries whenever possible to eliminate the parasite.

(UPDATED July 8, 2026 20:24 UTC)

The Michigan Department of Health and Human Services has reported a concerning total of 992 confirmed cases of cyclosporiasis in the state. The highest case counts are found in Monroe County with 173 cases, followed by Washtenaw County with 95, Lenawee County with 86, and Wayne County with 58, including six cases specifically within Detroit city limits. In response to the outbreak, MDHHS is advising restaurants and commercial kitchens in Southeast Michigan to choose whole produce instead of pre-washed bagged mixes.

(UPDATED July 8, 2026 19:25 UTC)

The Michigan Department of Health and Human Services is currently tracking a significant outbreak of cyclosporiasis, with nearly 1,000 confirmed cases reported across the state. Dr. Matthew Sims, director of Infectious Diseases Research at Corewell Health, described this outbreak as one of the largest ever seen in Michigan, particularly concentrated in Southeast Michigan's Monroe, Washtenaw, Lenawee, and Wayne counties. Health officials suspect that contaminated produce is the cause, urging residents to wash all produce thoroughly and cook greens, herbs, and berries to eliminate the parasite while the CDC conducts traceback investigations.