McDonald's says testing rules out Quarter Pounder patties as source of E. coli outbreak in U.S.

Testing has ruled out beef patties as the source of the outbreak of E. coli poisoning tied to McDonald's Quarter Pounders, the company said Sunday. It will resume selling the Quarter Pounder in the coming week.

McDonald's says testing rules out Quarter Pounder patties as source of E. coli outbreak in U.S.
A photo illustration shows a Quarter Pounder and some related packaging as part of a hamburger meal.

Testing has ruled out beef patties as the source of the outbreak of E. coli poisoning tied to McDonald's Quarter Pounders, the company said Sunday. It will resume selling the Quarter Pounder in the coming week.