(Reuters) - Ten people have been hospitalized and one older person in Colorado has died after E. coli infections linked to consuming McDonald's quarter pounder hamburger, the US Centers for Disease Control said on Tuesday.

Health officials are investigating an E. coli outbreak linked to McDonald’s Quarter Pounders in multiple states, the Centers for Disease Control and Prevention said Tuesday.

McDonald’s said it was taking “swift and decisive action” to control the outbreak that has sickened dozens of people, mainly in Colorado and Nebraska.