The fast food giant's Quarter Pounder burgers have been linked to 49 E. coli infections and one death across 10 states.

The Centers for Disease Control and Prevention (CDC) issued a food safety alert on Tuesday which said an E. coli outbreak linked to McDonald’s burgers has led to one death and ten hospitalizations. “Most people in this outbreak are reporting eating the Quarter Pounder hamburger at McDonald’s before becoming sick,” the alert read.

Shares of McDonald's fell nearly 6% in premarket trading on Wednesday after an E. coli outbreak linked to the restaurant chain's Quarter Pounder hamburgers resulted in the death of one person and sickened 49 people in the U.