Dr. Vincent Racaniello, Columbia University Professor of Microbiology & Immunology, works directly with Covid-19 patients, and joins us again to give the latest updates on the global coronavirus flu pandemic. Dr. Racaniello first visited our stream on March 9, 2020 in the earlier days of viral outbreak in the USA. He answers questions, debunks conspiracies, dispels myths and dispenses facts, including practical precautions and preventive measures we can all take. This is a unique opportunity to watch and interact with one of the foremost medical experts in the US.