McDonald's Quarter Pounder back after E. coli outbreak - BBC
- McDonald's Quarter Pounder back after E. coli outbreak BBC
- E. coli Outbreak Linked to McDonald’s Quarter Pounders | E. coli infection CDC
- McDonald's Quarter Pounder back after E. coli outbreak BBC.com
- US fast food giants including McDonald's, Burger King and KFC pull onions from menus after E.coli outbreak Sky News
- McDonald's Quarter Pounder burgers to return to restaurants affected by E. coli outbreak CNBC