US closes investigation into E. coli outbreak linked to onions in McDonald’s Quarter Pounders
By DEE-ANN DURBIN and JONEL ALECCIA Updated 1:33 PM CST, December 3, 2024 The U.S. government said Tuesday it has closed its investigation into an E. coli outbreak tied to McDonald’s Quarter Pounder hamburgers after determining there is no longer a safety risk. The outbreak,…