Key Points
One person died and dozens fell ill from E. coli infections linked to McDonald's Quarter Pounder hamburgers in 10 states, led by Colorado, where 26 people were sickened, the U.S. Centers for Disease Control said on Tuesday.P)..
The E. coli outbreak, linked to one of McDonald's most popular menu items, has sickened 49 people and sent 10 to the hospital, officials say..
The strain involved, E. coli O157:H7, can cause serious illness and was the source of a 1993 outbreak that killed four children who ate undercooked hamburgers at Jack in the Box restaurants..
Everyone interviewed as part of an investigation into the outbreak has reported eating at McDonald's before their illness started, and most mentioned eating a Quarter Pounder hamburger, according to the CDC..
"The initial findings from the investigation indicate that a subset of illnesses may be linked to slivered onions used in the Quarter Pounder and sourced by a single supplier that serves three distribution centers," McDonald's North America Chief Supply Chain Officer Cesar Pia said in a statement..
