McDonald's has dismissed beef patties as the source of an E. coli outbreak tied to its Quarter Pounder hamburgers. The ...

The food-safety investigation is focusing on onions as the burger chain prepares to resume serving Quarter Pounders in ...

On Tuesday, the Colorado Department of Agriculture received multiple lots of fresh and frozen beef patties collected from ...

McDonald’s provided another update Sunday on the continuing investigation of its E. coli outbreak last week. The update comes as the Colorado Department of Agriculture completed its testing over the ...

"We remain very confident that any contaminated product related to this outbreak has been removed from our supply chain and ...

The U.S. Food and Drug Administration continues to believe that slivered onions from a single supplier are the likely source ...

The Colorado Department of Agriculture’s testing did not detect E. coli in samples of the beef patties taken from McDonald’s ...

Colorado regulators said that fresh and frozen beef tested did not include the pathogen, giving McDonald’s confidence to ...

Beef patties used in McDonald's Quarter Pounders have tested negative for the strain of E. coli linked to a deadly outbreak ...

LOS ANGELES — Testing has ruled out beef patties as the source of the outbreak of E. coli poisoning tied to McDonald’s ...

At least 75 people fell ill from the bacterial infection and one person died in Colorado from the O157:H7 strain of E. coli, ...