
McHenry County probes spike in cyclosporiasis cases, source not yet identified
The McHenry County Health Department reports 61 cyclosporiasis cases since June 25, more than five times the count during the same period in 2025, with investigators still seeking a source. Symptoms often begin about a week after exposure and include watery diarrhea, cramps, and nausea. Officials urge continued monitoring and remind residents to follow routine food-safety practices, including thorough washing and cooking of fresh produce, as the investigation remains active.
