US closes investigation into E. coli outbreak linked to onions in McDonald’s Quarter Pounders
Associated Press Writers The federal government has closed its investigation into an E. coli outbreak tied to McDonald’s Quarter Pounder hamburgers after determining there is no longer a safety risk. The outbreak began in late October and sickened at least 104 people in 14 states, including 34 who were hospitalized, according to the U.S. Food
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