A deadly E. coli outbreak linked to McDonald’s has now sickened over 100 people. The Centers for Disease Control and Prevention said 104 people across 14 states have fallen ill as of Nov. 13. Slivered onions served on McDonald’s Quarter Pounders were identified as the likely source of the outbreak. Illnesses started between Sept. 12 and Oct. 21. Of the 98 people with data available, 34 were hospitalized, the CDC said.