The investigation into the E. coli outbreak in McDonald’s Quarter Pounders that has killed at least one person and sickened nearly 50 others increasingly points to the slivered onions served on the hamburgers. NBC News Health
The investigation into the E. coli outbreak in McDonald’s Quarter Pounders that has killed at least one person and sickened nearly 50 others increasingly points to the slivered onions served on the hamburgers.
