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

The intestinal illness is on the rise across the United States.

Cases of cyclosporiasis, an intestinal infection caused by a parasite, are currently being reported in nearly three dozen states, according to an ABC News tally.

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