Coverage dated June 30, 2026 to July 2, 2026

More than 170 sickened in parasitic illness outbreak in Michigan

Headline from BNO News

More than 170 people have been sickened in a large and growing outbreak of a parasitic diarrheal illness in Michigan, far above the number of cases typically reported in the state over an entire year, health officials say. No source has been identified.

BNO News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

Read the reports

Reports & sources

56 articles, oldest first.

  1. End Time Headlines

    Experts scramble to find source of “Mystery Parasite” outbreak in the US causing explosive diarrhea (opens End Time Headlines)

    Published

    End Time Headlines's feed description

    A concerning outbreak of cyclosporiasis linked to the parasite Cyclospora cayetanensis has sickened at least 145 people across 20 states, with New York reporting the highest number of cases. The infections, reported between May and June 16, have affected individuals ranging in age from 5 to 86 years…

  2. Money Talks News

    What Is Cyclosporiasis? Parasite Sickens More Than 150 People in Michigan (opens Money Talks News)

    Published

    Money Talks News's feed description

    A single case on June 22 exploded into a seven-county outbreak within days, with 14 hospitalized and the contamination source still unidentified.

  3. Cleveland Plain Dealer

    More than 170 people sickened as mystery parasite sparks health warning (opens Cleveland Plain Dealer)

    Published

    Cleveland Plain Dealer's feed description

    Michigan health officials are investigating a cyclospora outbreak that has sickened more than 170 people across seven counties.

  4. The Brunswick News

    Michigan tracking 'sudden and large' spike in illness caused by parasite (opens The Brunswick News)

    Published

    The Brunswick News's feed description

    LANSING, Mich. — The state of Michigan is working to identify the cause of a "sudden and large" increase in an infection that causes gastrointestinal issues. State health officials have identified 174 cases of cyclosporiasis across southern Michigan since June…

  5. KCEN Waco

    CDC monitors parasite outbreak that has sickened over 140 people across 17 states (opens KCEN Waco)

    Published

    KCEN Waco's feed description

    The CDC said its received 145 reports of cyclosporiasis, a microscopic parasite that often causes diarrhea, and can be linked to contaminated food or water.

  6. WLNS Lansing

    170 cases of cyclosporiasis, illness that causes 'explosive' diarrhea, confirmed in MI (opens WLNS Lansing)

    Published

    WLNS Lansing's feed description

    Health officials are investigating as an outbreak of cyclosporiasis, a parasitic illness that can cause “explosive” diarrhea, continues to grow across multiple Michigan counties.

  7. KTVB Boise

    CDC monitors parasite outbreak that has sickened at least 300 people across 18 states (opens KTVB Boise)

    Published

    KTVB Boise's feed description

    The CDC said it has received 145 reports of cyclosporiasis, a microscopic parasite linked to contaminated food or water. Michigan is reporting another 170 cases.

  8. WZZM Grand Rapids

    300+ cases: Michigan health officials investigate parasite linked to explosive diarrhea (opens WZZM Grand Rapids)

    Published

    WZZM Grand Rapids's feed description

    Michigan health officials are probing a large cyclosporiasis outbreak, with over 170 cases reported in just nine days, as they search for its source.

  9. KGW Portland

    Oregon sees no 'unusual increase' in parasite outbreak sickening hundreds in US (opens KGW Portland)

    Published

    KGW Portland's feed description

    At least 300 people across 18 states have been sickened by cyclosporiasis, a parasite linked to contaminated food or water. The main symptom is watery diarrhea.

  10. BNO News

    More than 170 sickened in parasitic illness outbreak in Michigan (opens BNO News)

    Published

    BNO News's feed description

    More than 170 people have been sickened in a large and growing outbreak of a parasitic diarrheal illness in Michigan, far above the number of cases typically reported in the state over an entire year, health officials say. No source has been identified.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.