E. coli outbreak in Colorado: People sickened in 13 states; other fast food restaurants pull onions off menus Colorado Springs GazetteWhere People Got Sick: E. coli Outbreak, McDonald’s Quarter Pounders – October 22, 2024 CDCWhat food safety experts steer clear of to avoid E. coli NBC NewsMcDonald’s outbreak news: What to know about E. coli cases, onions, recalls, more USA TODAYI’m a food safety expert — these grocery store staples pose the biggest E. coli risks New York Post