Osterholm, MichaelDall, Chris2021-02-172021-02-172020-06-10https://hdl.handle.net/11299/218581Runtime 55:42In this episode, Dr. Osterholm and host Chris Dall discuss the role that asymptomatic individuals might play in COVID-19 transmission, the issue of repeat PCR testing and "chronic infection," the latest updates on masks, and studies assessing the effectiveness of shutdowns in reducing illness.enAudio