In The Moment ... April 23, 2020 Show 802 Hour 2 On Call with the Prairie Doc® is on SDPB TV Thursday nights at 7 central 6 mountain. Tonight's episode is on the science of treating COVID-19. This show aims to help you better understand vaccine development for COVID-19 along with the drugs that are being studied. Prairie Doc® physician Kelly Evans-Hullinger is an internal medicine doctor with Avera Medical group and she is the host of this evening's show and joins us by phone with a preview.