Illnesses linked to slivered onions on McDonald's Quarter Pounder burgers expand to 14 states, federal officials say.

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

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

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

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

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

The CDC said epidemiological data showed that slivered onions served at McDonald’s were the likely source of the outbreak.

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

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

A multistate E. coli outbreak linked to onions served on McDonald’s Quarter Pounders has affected at least 104 people in 14 ...

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