John is back for the 3rd time to give us an update on where we're at with all things Covid-19. Wearing masks, the future vaccine, what should churches do, where will this whole thing end up? John is a Senior Biosafety Officer for The University of Chicago – Howard T. Ricketts Laboratory, a Regional Biocontainment Laboratory, as well as a Registered Biosafety Professional with ABSA International (American Biological Safety Association). John was a lead trainer with the Duke...