The fast-food chain has announced that its beef patties will be returning to locations affected by the E. coli outbreak, but ...

McDonald's Quarter Pounder beef patties have tested negative for E. coli contamination as an outbreak that has sickened 75 ...

All contaminated products related to the E. coli outbreak that sickened 75 people across 13 states, with one reported ...

McDonald’s says testing has ruled out beef patties as the source of the outbreak of E. coli poisoning tied to its Quarter ...

McDonald’s said Sunday that beef patties in its Quarter Pounder burgers aren’t the source of the E. coli outbreak which has killed one and sickened about 75. The fast food chain says it's certain that ...

The beef patties McDonald’s outlets are serving in Colorado appear to be perfectly safe. Olga Robak, director of communications for the Colorado Department of Agriculture, said that on Tuesday, ...

Officials believe the most likely source of contamination was slivered onions from a Taylor Farms facility in Colorado Springs.

McDonald's says either fresh, slivered onions or beef patties used for the Quarter Pounder may be behind the outbreak. If onions are found to be the source of the E. coli outbreak, it would be the ...