McDonald’s Quarter Pounder back on the menu after testing rules out beef patties as E. coli source
The U.S. Food and Drug Administration continues to believe that slivered onions from a single supplier are the likely source ...
Not the beef: Testing bolsters case against California onions in McDonald's E. coli outbreak
McDonald's Quarter Pounders are back on the menu after new testing confirmed that the chain's beef patties were not to blame ...
Frozen waffle, quarter pounder recalls have Americans wondering: Is our food safe?
Some cases, like TreeHouse Foods' recall of waffles, aren't linked to illness. Others resulted in illness and even death.
McDonald's to start selling Quarter Pounders again due to E. coli test results
McDonald's says Quarter Pounders will be back on the menu at hundreds of its restaurants after testing ruled out beef patties as the source of an E. coli outbreak​.