With the real possibility of a vaccine for Covid-19 on the Horizon that is purported to have a 90% efficacy rate, JT reaches out to our local Coronavirus expert, Dr. Michael Saag with UAB to tell us how it works and when it could be available. Dr. Saag explains there are some challenges like refrigeration and rapid production, but there is no reason to believe this treatment couldn't be going into people's arms before the end of this year.