E Coli Outbreak 2024 Symptoms 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. Coli illness that's now affected 90 people nationwide, new evidence from the u.s.

Mcdonald’s customers are encouraged to get medical care if they ate a quarter pounder and developed symptoms of e. Illnesses started on dates ranging from february 1, 2024, to april 4, 2024.