A surge of cases of the intestinal illness that causes diarrhea and nausea has been detected in 31 states, according to federal health authorities, but the source is still under investigation.

Hundreds of cyclosporiasis cases have been reported across the US. Here's where they're occurring and tips to help reduce your risk of infection.

Michigan has reported over 1,200 cases of the parasitic illness that causes diarrhea.

A widespread parasite outbreak in the US causes diarrhea, affecting 31 states; learn about symptoms, transmission, and prevention.

Cyclosporiasis has been reported in 31 states and has hospitalized 86 people as of July 9, according to statistics reported to the CDC.