McDonald's Quarter Pounders astatine halfway of E. coli outbreak - CBS News
McDonald's says nan sliced, earthy onions topping its Quarter Pounder burgers could beryllium to blasted for an E. coli outbreak that has sickened dozens of group crossed 10 states, sidesplitting astatine slightest one. About 20% of McDonald's restaurants nationwide person temporarily stopped serving Quarter Pounders. Karen Morfitt reports.