We discuss the concept of “K”, how many people are responsible for how much of the transmission. Evidence indicates that many people do not spread the virus at all while others are responsible for much of transmission. Health visits for severe diseases appear to be way down. CDC report on meatpacking outbreaks. Some US colleges plan to return in the fall. Korea performs over 65,000 tests to find 170s cases related to a nightclubbing district. The reporting around Moderna's vaccine candidate shows why we aren't bothering to talk about individual vaccine candidates at this point. Challenge trials appear to be gaining momentum. Please subscribe on Apple, Spotify  or via RSS Feed, or search “Nate Duncan” in your podcast player. If you want to support this ad-free show please join Nate’s Patreon, Patreon.com/DuncanLeroux. With Nate Duncan (@NateDuncanNBA) and Ben Taylor (@ElGee35) See omnystudio.com/listener for privacy information.