Explore an in-depth lecture on COVID-19, focusing on its virology, epidemiology, and pathophysiology as of April 2020. Delve into zoonotic theories, SARS-CoV-2 variants, transmission rates, infection methodology, interferon interactions, multi-system organ damage, and ACE-2 related issues. Learn about the latest research and publications available at the time, presented by Professor Zach Murphy. Note that the information may not reflect current findings due to the evolving nature of the pandemic.