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

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

A cyclosporiasis outbreak has affected multiple US states, causing thousands of cases of explosive diarrhoea linked to contaminated food or water.

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.