The number of cases in the E. coli outbreak linked to McDonald's Quarter Pounders has risen to 90, federal health officials said in an update on Wednesday. Cases have been reported in 13 states, ...

McDonald's is investing $100 million to bring customers back to stores after an outbreak of E. coli food poisoning tied to onions on the fast-food giant's Quarter Pounder hamburgers. The investments ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The U.S. government said Tuesday it has ...