- E. Coli Outbreak Tied to McDonald’s Widens to 75 People in 13 StatesThe New York Times
- E. coli cases linked to McDonald’s Quarter Pounders rises to 75, federal agencies sayCNN
- E. coli Outbreak Linked to McDonald’s Quarter PoundersCDC
- The Dilemma at the Center of McDonald’s E. Coli OutbreakThe Atlantic