Watch CBS News

What we know about E. coli outbreak linked to McDonald's Quarter Pounders

At least 49 E. coli cases in 10 states, one of them deadly, have been traced back to McDonald's Quarter Pounder hamburgers, the CDC says. CBS News correspondent Nancy Chen has more on what's known about the outbreak.
View CBS News In
CBS News App Open
Chrome Safari Continue
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.