Update: At least 75 people fell ill from the bacterial infection and one person died in Colorado from a strain of E. coli, the Centers for Disease Control and Prevention said Friday. McDonald’s attributed the illnesses to slivered onions,

A Nebraska woman sickened with E. coli and hospitalized after eating a McDonald’s Quarter Pounder filed a lawsuit Friday against the fast food chain. The woman, who was not identified by name in the lawsuit,

The top U.S. McDonald's executive said he’s “very confident” customers can eat safely at the restaurants, as the company's stock heads to its worst day in 4.5 years