All of the ill people mentioned eating Quarter Pounders, which contain a beef burger topped with pickles, slivered onions and ...

McDonald’s said it was taking “swift and decisive action” to control the outbreak that has sickened dozens of people, mainly ...

According to Colorado's health department, the USDA is also looking into the beef patties on the Quarter Pounder hamburgers.

McDonald's said it believes onions may be to blame for the deadly E. coli outbreak linked to its Quarter Pounder.

McDonald's has removed the Quater Pounder from its menu in some states amid an E. coli outbreak. See what states are impacted ...

The Centers for Disease Control and Prevention and other federal agencies are investigating an E. coli outbreak linked to ...

The top U.S. McDonald's executive said he’s “very confident” customers can eat safely at the restaurants, as the company's ...

A total of 49 people across 10 states are infected with E. coli, according to the CDC. The highest number of cases are in ...

Following an E. coli outbreak, McDonald's announced it was temporarily pulling the Quarter Pounder from menus at some ...

About 50 people have been reported infected in an E. coli outbreak involving McDonald’s Quarter Pounder sandwiches.

McDonald's stock sank around 10% in after-hours trading on Tuesday following news of an E. coli outbreak linked to its ...