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

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

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. Here is ...

E. coli food poisoning linked to McDonald’s Quarter Pounder hamburgers has sickened at least 49 people in 10 states, ...

The fast food chain has pulled some of the burger’s ingredients across multiple states as officials try to pin down what ...

The McDonald's Quarter Pounder is part of a "classics" menu that drives huge sales. The giant says it's temporarily pulling ...

The fast food giant's Quarter Pounder burgers have been linked to 49 E. coli infections, including one death, in an outbreak ...

After 49 people have gotten sick from E. coli at McDonald's, the business announced that Quarter Pounders have been pulled ...

The size and span of the outbreak is likely larger than currently known. One person is dead and 48 others across 10 states ...

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

McDonald's has stopped selling the popular product in some states as an investigation into the cause of the bacteria ...