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

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

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

Health officials are investigating an E. coli outbreak linked to McDonald’s Quarter Pounders in multiple states, the Centers ...

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

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

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

Federal officials say E. coli food poisoning linked to McDonald’s Quarter Pounder hamburgers has sickened at least 49 people ...

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

At least 49 people have fallen ill and one person has died in an E. coli outbreak linked to McDonald's Quarter Pounders, the ...

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 ...