By Bob Eccles
http://stream.publicbroadcasting.net/production/mp3/wemu/local-wemu-933331.mp3
Ann Arbor, MI – Washtenaw County Public Health has determined that norovirus was responsible for causing two-thirds of the members of a University of Michigan sorority to become ill last month. However, the source of the virus remains unknown. Hear more from WEMU's Bob Eccles.