Onions served at McDonald’s are likely source of E. coli outbreak in U.S.: CDC
LOS ANGELES, Oct. 30 (Xinhua) — Fresh, slivered onions served on Quarter Pounders and other menu items from McDonald’s are the likely source of E. coli outbreak in the United States, said the U.S. Centers for Disease Control and Prevention (CDC) on Wednesday. A total of 90 sicken cases caused by E. coli have been…