TOLEDO, Ohio (WTVG) - An intestinal parasite is spreading across southeast Michigan and northwest Ohio, with health officials reporting cases in Monroe, Lenawee, Lucas, and Wood counties. The Michigan Department of Health and Human Services said cases in southeast Michigan jumped 29 percent in just four days. Statewide, reported cases rose to 572 as of Saturday, July 4, up from 170 on Tuesday, June 30.