McDonald's Quarter Pounder returns after E. coli testing rules out beef

FILE - A McDonald's Quarter Pounder hamburger and drink are seen in an illustration picture taken in New York City, October 24, 2024.

McDonald's announced Sunday that Quarter Pounders will again be on its menu at hundreds of its restaurants after testing ruled out beef patties as the source of the outbreak of E. coli poisoning tied to the popular burgers that killed one person and sickened at least 75 others across 13 states.