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

According to the Centers for Disease Control and Prevention, at least one case has been detected in the state, but it did not ...

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

According to the Centers for Disease Control and Prevention, at least one case has been detected in the state.

An E. coli outbreak linked to slivered onions on McDonald's Quarter Pounders cheeseburgers has reached North Carolina.

Ninety people fell ill, with 27 hospitalized as the fast food giant removes affected ingredient from restaurants.

Ninety people in 13 states have been infected in a deadly E. coli outbreak linked to McDonald's Quarter Pounders, the CDC ...

It's official - the CDC has now declared that onions served on Quarter Pounders are the most likely culprit of the E. coli ...

Fresh, slivered onions served on Quarter Pounders and other menu items from McDonald's are the likely source of E. coli ...

Fresh slivered onions on the restaurant chain's Quarter Pounders "are the likely source" of the outbreak, the agency said ...