TWiV 645: Lions and tigers and zookeepers (oh my)

Daniel Griffin provides a clinical report on COVID-19, followed by a review of the State Department document on the Wuhan BSL-4 laboratory, the report on infection of tigers and lions in the Bronx Zoo, and, answers to listener questions. Show notes at https://www.microbe.tv/twiv/twiv-645/ Become a patron of TWiV at https://www.microbe.tv/contribute