An E. coli outbreak linked to McDonald’s Quarter Pounders has led to at least 49 illnesses across 10 states, including one death. Here’s what we know. Quarter Pounders made people sick The US Centers for Disease Control and Prevention issued a food safety alert Tuesday warning that dozens of people reported eating the Quarter Pounder sandwich at McDonald’s before becoming sick.

McDonald’s U.S. President Joe Erlinger said in an interview on the “Today” show that the company has removed the Quarter Pounder from its menu in the 10 states where dozens of people were

More states have been added to the list of states where McDonald’s restaurants have removed certain Quarter Pounder ingredients following an E. coli outbreak.