McDonald’s rules out beef patties as source of E. coli outbreak ReutersWhere People Got Sick: E. coli Outbreak, McDonald’s Quarter Pounders – October 22, 2024 CDCOnion recall 2024: 75 sickened in 13 states as onions are pulled from menus at McDonald’s, Burger King, KFC a NJ.comMcDonald’s Quarter Pounder burgers to return to restaurants affected by E. coli outbreak CNBC