The source of the outbreak was likely slivered onions on McDonald's Quarter Pounder burgers, health officials have said.

A deadly E. coli outbreak connected to slivered onions served in McDonald's Quarter Pounder hamburgers across the country has ...

People in at least 14 states caught a nasty strain of E. coli from tainted onions used in McDonald's Quarter Pounders, though ...

Fourteen new illnesses linked to the McDonald's E. coli outbreak were reported by the CDC and FDA Wednesday, bringing the ...

The number of people that fell ill from an E. coli outbreak linked to raw onions on McDonald's Quarter Pounders has topped ...

WASHINGTON — At least 104 people have been sickened, with 34 hospitalized, in an outbreak of E. coli food poisoning tied to ...

That's up from the 90 infections, 27 hospitalizations and two HUS cases reported in the FDA's last update on Oct. 30. One ...

One person has died and four people have developed a potentially life-threatening kidney disease complication as part of the ...

The E. coli outbreak linked to McDonald's Quarter Pounders is now traced back to more than 100 cases across 12 states.

A widespread E. coli outbreak tied to McDonalds Quarter Pounder burgers has sickened at least 104 people across 14 states, ...

The CDC reports 104 cases of E. coli linked to McDonald's Quarter Pounders due to contaminated onions, with one death and 34 ...

MONTANA - Health officials are reporting 14 new cases of E. coli linked to McDonald's, including two cases in Montana. This ...