Explosive Diarrhea Cases Surge Nationwide

An increase in cyclospora infections, a foodborne illness causing severe diarrhea, is under investigation across the United States. Michigan has reported an unusually large outbreak with over 700 cases, while numerous other states are also experiencing elevated numbers. This microscopic parasite, Cyclospora cayetanensis, typically leads to watery diarrhea and can cause significant discomfort.

Previous U.S. outbreaks have frequently been associated with contaminated fresh produce like basil, cilantro, and raspberries. Cases tend to peak during the summer months, between May 1 and August 31. While the CDC noted 145 domestically acquired cases across 17 states between May 1 and June 16, with 20 hospitalizations, current state reports suggest the total number of infections is substantially higher.

Federal and state investigators are examining multiple clusters, as there is no current evidence linking all reported illnesses to a single nationwide outbreak. The true number of infections is likely underestimated due to underreporting and testing delays. Symptoms, including watery diarrhea and stomach cramps, typically appear about a week after consuming contaminated food or water and can last for weeks.