McDonald’s has announced it will put its Quarter Pounder burgers back on the menu at hundreds of restaurants after testing ruled out beef patties as the source of the deadly E. coli outbreak. NBC’s Maggie Vespa reports for TODAY. » Subscribe to TODAY: youtube.com/@TODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: today.com Find TODAY on Facebook: facebook.com/today Follow TODAY on Twitter: twitter.com/TODAYshow Follow TODAY on Instagram: instagram.com/todayshow » Stream TODAY All Day: today.com/allday About: TODAY All Day is a 24/7 streaming channel bringing you the top stori...