The Food and Drug Administration is investigating a new outbreak of infections caused by E. coli O157:H7. As of Nov. 14, 18 ...

St. Louis County health officials are investigating an outbreak of E. coli O157:H7 infections among students and parents at a local high school. The sick ...

The E. coli case total has risen to 104 in the outbreak linked to McDonald’s Quarter Pounders. Slivered onions still appear ...

An E.coli outbreak linked to a popular McDonald's burger has sickened more people in the United States, bringing the total ...

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

A Billings woman has filed a suit in district court against a McDonald’s fast-food restaurant that she said sickened her by ...

The McDonald's outbreak is caused by E. coli O157:H7, which produces a toxin that causes dangerous diarrhea and can lead to kidney failure and other serious problems, according to the CDC.

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

McDonald's Quarter Pounder hamburgers have been linked to an outbreak of E. coli, a bacteria that can make people sick. The outbreak has killed one person in Colorado, according to the U.S ...