Richard T. Nowitz via Getty The scope of the McDonald’s E. coli outbreak has gotten larger. Health officials have reported a substantial increase in cases this week, with many more cases likely having gone unnoticed. The U.S. Centers for Disease Control ...

Illnesses linked to slivered onions on McDonald's Quarter Pounder burgers expand to 14 states, federal officials say.

E.coli linked to slivered onions on some McDonald's Quarter Pounder burgers in America has caused 104 people to become ill, according to US health officials.The US Food and Drug Administration (FDA) said in an update on Wednesday that 34 people had been hospitalised in connection to the outbreak and that one man had died in October.

A deadly E. coli outbreak connected to slivered onions served in McDonald's Quarter Pounder hamburgers across the country has sickened at least 104 people, federal health officials said.

Officials have confirmed that more than 100 people were infected by a severe E. Coli outbreak linked to slivered onions on McDonald’s Quarter Pounders, Forbes reported. The infections sent 34 people to the hospital and left four with a potentially life-threatening kidney condition called hemolytic uremic syndrome.

The E. coli case total has risen to 104 in the outbreak linked to McDonald’s Quarter Pounders. Slivered onions still appear to be the most likely source of the contamination.