More Covid-19 Vaccines In Final Testing, Questions on Timeline Remain

P.M. Edition for Wednesday, Sept. 23: Johnson & Johnson is the fourth U.S. pharmaceutical company to advance to late-stage testing of a COVID-19 vaccine. But a lot of questions remain, including the timeline of when a vaccine will become widely available. Pharmaceutical reporter Peter Loftus joins host Annmarie Fertoli with more details. Learn more about your ad choices. Visit megaphone.fm/adchoices