Learn about cyclosporiasis, a foodborne illness caused by Cyclospora, its symptoms, diagnosis, treatment, and prevention.

A fast-spreading stomach parasite has sickened thousands of people across more than 30 US states.

Cyclosporiasis cases are rising across the US. Here's everything you need to know about symptoms, spread, treatment, prevention and the latest outbreak.

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