McDonald’s to resume selling Quarter Pounders in all restaurants after beef patties in Colorado test negative for E. coli CNNE. coli Outbreak Linked to McDonald’s Quarter Pounders | E. coli infection CDCOnion recall 2024: 75 sickened in 13 states as onions are pulled from menus at McDonald’s, Burger King, KFC a NJ.comSecond Nebraska woman suing McDonald’s, claims E. coli put her in the ER WOWT