McDonald's restaurants in 12 states, including Oklahoma, temporarily halted sales of the Quarter Pounder until officials ...

McDonald's Quarter Pounders are back on the menu after new testing confirmed that the chain's beef patties were not to blame ...

McDonald's Quarter Pounder beef patties have tested negative for E. coli contamination as an outbreak that has sickened 75 ...

The E. coli infections, first reported on Sept. 27 in Colorado, were linked to the recent consumption of Quarter Pounder ...

McDonald’s announced Sunday that Quarter Pounders will again be on its menu at hundreds of its restaurants after testing ...

About 900 McDonald’s stores stopping selling Quarter Pounders after dozens of people suffered E. coli infections.

Investors are digesting McDonald's attempts at a comeback, as foot traffic falters due the E. coli outbreak. McDonald's has ...

McDonald’s had stopped Quarter Pounders in select areas, and a large onion supplier issued a recall for possible E. coli ...

Taylor Farms has recalled yellow onions supplied to restaurants, following an E. coli outbreak linked to McDonald's Quarter ...

McDonald's has reintroduced the Quarter Pounder at select restaurants after an E. coli outbreak linked to onions, not beef ...

In a significant development following an E. coli outbreak linked to its products, fast-food giant McDonald's announced on ...