Nearly 50 people have become ill with E. coli, including one death, across 10 states, after reporting eating a burger at McDonald’s.

The US Centers for Disease Control and Prevention issued a food safety alert Tuesday regarding an E. coli outbreak that it says is linked with McDonald’s Quarter Pounders.

An E coli outbreak linked to McDonald's Quarter Pounder hamburgers has affected at least 49 people in ten states, resulting in one death and ten hospitalizations. The CDC suspects slivered onions and beef patties as the contamination sources.

E. coli food poisoning linked to McDonald’s Quarter Pounder hamburgers has sickened at least 49 people in 10 states, including one person who died and 10 who were hospitalized, federal health officials said Tuesday.

McDonald's has removed ingredients from its menu in some locations as dozens of people have been sickened with E. coli in multiple states, all after eating the hamburger chain's popular quarter pounders,

McDonald's shares sank around 10% in after-hours trading on Tuesday following news of an E. coli outbreak linked to its burgers.

Nearly 50 people across 10 states have been sickened by an E.coli outbreak that has been linked to McDonald’s Quarter Pounder hamburgers, according to the U.S. Centers for Disease Control and Prevention. As of Oct. 22, 49 people have been infected with the strain of E.coli linked to McDonald’s hamburgers.

A McDonald's sandwich has been making people sick in the US, according to the Centers for Disease Control and Prevention (CDC). According to the CDC, McDonald's Quarter Pounder sandwiches have been found to contain E. coli, a type of bacteria that can cause serious stomach problems.

A severe E. coli outbreak linked to McDonald's Quarter Pounders has resulted in one death and dozens of illnesses across 10 western states, primarily in Colorado and Nebraska.