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Michigan Records First Deaths in Multistate Cyclosporiasis Outbreak Tied to Contaminated Food

The parasitic illness, caused by consuming food or water contaminated with Cyclospora cayetanensis, has now spread across multiple states with fatalities reported.

Comparing eggs with Cyclospora
Comparing eggs with Cyclospora      Cyclospora Parasite    Hmehlers23 / Wikimedia Commons (CC BY-SA 4.0)
By Free News Press Editorial Team
Published August 4, 2026 at 1:27 AM PDT

Michigan has reported the first deaths linked to a multistate cyclosporiasis outbreak, according to Scripps News.

Cyclosporiasis is a parasitic intestinal illness caused by Cyclospora cayetanensis, a microscopic organism typically spread through food or water contaminated with fecal matter. Common symptoms include watery diarrhea, loss of appetite, stomach cramps, bloating, nausea, and fatigue. The illness can last weeks or months if not treated with antibiotics.

The outbreak has affected residents across multiple states. Michigan's deaths mark the first fatalities connected to this particular outbreak, raising the level of concern among public health officials tracking the spread.

Cyclosporiasis outbreaks in the United States have historically been linked to fresh produce imported from regions where the parasite is more common, including fresh herbs, berries, and leafy greens. Investigators typically work to trace the specific food source responsible for each outbreak.

The CDC and state health departments typically respond to cyclosporiasis outbreaks by identifying the contaminated food source, issuing recalls or advisories, and monitoring new cases. As of the reporting, the investigation into the source of this outbreak was ongoing.

This photomicrograph of a fresh stool sample, which had been prepared using a 10% formalin solution, and stained with modified acid-fast stain, revealed the presence of four en:Cyclospora cayetanensis oocysts in the field of view. Compared to wet mount preparations, the oocysts are less perfectly ro
This photomicrograph of a fresh stool sample, whi…      Cyclospora Parasite    Photo Credit: Content Providers(s): CDC/ DPDx - Melanie Moser / Wikimedia Commons (Public domain)