Michigan records first Cyclospora‑related deaths in U.S. outbreak

Michigan health officials announced two deaths linked to the ongoing Cyclospora outbreak, marking the first fatalities associated with the parasite in the United States. Both patients had serious underlying health conditions, and prolonged diarrhea leading to dehydration likely worsened their illnesses.

The state has reported more than 11,000 Cyclospora infections, with a total of 11,234 cases and 193 hospitalizations as of August 3. Wayne County accounts for the highest number of cases (1,379), and the 30‑39 age group has the most infections. The Centers for Disease Control and Prevention confirmed it is monitoring the situation and noted that nationwide Cyclospora cases this season exceed 18,000, well above the typical seasonal levels.

Cyclospora cayetanensis is an intestinal parasite transmitted through contaminated fresh produce or water. While infection usually causes severe diarrhea and is not life‑threatening, deaths are rare and occur mainly in individuals with pre‑existing health issues.