Coronavirus Vaccine Sent for Human Testing As Outbreak Grows

A.M. Edition for February 25th: The first experimental coronavirus vaccine was sent by Moderna Therapeutics for testing by U.S. regulators - Peter Loftus has more on the novel technology behind it. Plus, Quentin Webb on continued investor angst over efforts to contain the outbreak and Julie Bykowicz with what to watch for in tonight's Democratic debate in South Carolina. Kim Gittleson hosts. Learn more about your ad choices. Visit megaphone.fm/adchoices