McDonald’s executives say E. coli outbreak is ‘behind us’ CNBCAfter eating at McDonald’s, teen with E. coli battles kidney failure NBC NewsMcDonald’s Sued by Consumers Over E.coli Outbreak U.S. News & World ReportE. coli Outbreak Linked to McDonald’s Quarter Pounders | E. coli infection CDCMcDonald’s Sales Slump After E. Coli Outbreak Spooks Diners Bloomberg