A lawsuit has been filed in Cook County by a Colorado man who was sickened after eating McDonald's food contaminated with E.

Decision to cut topping comes as officials work to confirm source of bacteria linked to McDonald's Quarter Pounders.

A California grower was the source of fresh onions linked to a deadly E. coli food poisoning outbreak at McDonald's, ...

Taylor Farms, an onion suppler for McDonald's where Quarter Pounders are linked to an E. coli outbreak, is the subject of a ...

A major supplier of onions has issued a recall amid an E. coli outbreak linked to McDonald’s Quarter Pounder hamburgers ...

Fresh onions are the likely source of an E. coli outbreak at McDonald's restaurants that has sickened 49 people and killed ...

Infections from the bacteria have occurred in people who ate Quarter Pounders, but no cases have yet turned up in Illinois.

The FDA is investigating whether Taylor Farms is the possible source of the E. coli outbreak linked to McDonald's Quarter ...

No, actually. Most types of E. coli bacteria are benign, and even a healthy part of our digestive system. There are six kinds ...

A sweeping onion recall related to a multistate E. coli outbreak linked to McDonald’s Quarter Pounders has prompted several ...

McDonald's on Thursday confirmed to CBS News that California-based produce giant Taylor Farms is the supplier of slivered ...