food contamination

Health officials suspect undercooked ground beef.
user i believe i can fry / Flickr

State health officials say they're working with health departments in Kent, Livingston, Oakland, Ottawa and Washtenaw counties to investigate a cluster of recent illnesses due to the bacteria E. coli O157.

The state Department of Community Health and the state Department of Agriculture and Rural Development announced Wednesday that the suspected source of the bacteria is ground beef.

More from the MDCH press release: