Dec 4, 2015 12:30 PM
NEW YORK (AP) - An outbreak of E. coli linked to Chipotle restaurants has sickened seven more people and expanded to three additional states.
The Centers for Disease Control and Prevention says a total of 52 cases have now been reported in nine states, including Illinois, Maryland and Pennsylvania.
At the end of October, cases had been reported in Oregon and Washington. Additional cases were later reported in California, Minnesota, New York and Ohio.
Of the 52 people infected, the CDC says 47 reported eating at a Chipotle Mexican Grill in the week before the illness started. The agency has not yet determined the ingredient responsible.
Earlier Friday, Chipotle announced it was tightening its food safety standard
2 days ago