Testing has ruled out beef patties as the source of the outbreak of E. coli poisoning tied to McDonald's Quarter Pounders, ...
Investors sold off McDonald's following a report from the Centers for Disease Control (CDC) detailing an E. coli ...
At least 75 people fell ill from the bacterial infection and one person died in Colorado from the O157:H7 strain of E. coli, ...
Decision to cut topping comes as officials work to confirm source of E. coli outbreak linked to McDonald's Quarter Pounders.