The CDC is investigating an E. coli outbreak at McDonald's restaurants, which has infected at least 75 people in 13 states and hospitalized at least 22.
E. coli O157:H7 was the strain that in 1992-93 led to an outbreak that sickened 732 people across four U.S. states and was linked to 73 Jack in the Box restaurants in California, Idaho, Nevada, and ...