Cyclosporiasis, a nasty parasitic infection that causes “explosive” watery diarrhea, has sickened dozens of people in Michigan and other parts of the United States.

More than 170 Michiganders have contracted cyclosporiasis, a parasitic gastrointestinal illness that causes explosive, watery diarrhea.

Lynn Sutfin, a spokesperson for the Michigan Department of Health and Human Services, said more than 170 cases of cyclosporiasis have been identified in at least seven Michigan counties since June 22 ...