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

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

McDonalds confirms beef patties not to blame for E. coli outbreak linked to Quarter Pounders, and raw onions are the likely ...

The E. coli infections, first reported on Sept. 27 in Colorado, were linked to the recent consumption of Quarter Pounder ...

The company said it would put Quarter Pounders back on the menu, without the raw onions that were considered the likely ...

McDonald’s on Sunday ruled out beef patties as a source of the E. coli outbreak linked to Quarter Pounder hamburgers, which ...

Colorado has seemingly eliminated one ingredient in the McDonald's Quarter Pounder hamburger E. coli outbreak as a cause for ...

No E. coli was detected in samples of beef patties used in McDonald's Quarter Pounders that have been linked to a deadly ...