2007 E.coli O157:H7 linked to showing cattle or visiting cattle barn at MN State Fair. Minnesota
Six Minnesota cases and one Wisconsin case with the same or closely-related PFGE subtype of E. coli O157:H7, and an additional Minnesota case of Shiga-toxin producing E. coli that was not culture-confirmed, attended the Minnesota State Fair in August. All but one of the cases showed cattle or visited the cattle barn.
