
An outbreak of E. coli food poisoning tied to onions served on McDonald's Quarter Pounder hamburgers has affected at least 104 people, with 34 hospitalized, according to federal health officials. The U.S. Centers for Disease Control and Prevention reported cases in 14 states, with one fatality in Colorado and four cases of a potentially life-threatening kidney disease complication.
Colorado reported the highest number of cases at 30, followed by Montana with 19, and Nebraska with 13. Other affected states include New Mexico, Missouri, Utah, Wyoming, Kansas, Michigan, Iowa, North Carolina, Oregon, Washington, and Wisconsin. Illnesses were reported between September 12 and October 21, with several individuals mentioning consuming McDonald's food while traveling.