Food ❯Fast Food ❯McDonald's ❯Quarter Pounder

Onions

CDC Declares McDonald’s E. coli Outbreak Over, Source Traced to Onions

McDonald's Invests $100 Million to Recover from E. Coli Outbreak

McDonald's E. coli Outbreak Sickens Over 100 Across 14 States

E. coli Outbreak Linked to McDonald's Onions Sparks Health Concerns

Widespread Food Recalls Due to E. coli, Listeria, and Salmonella Outbreaks