The Invisible Siege: The Rise of Coronaviruses and the Search for a Cure

For most of history, coronavirus knowledge was limited to a couple of types that caused the common cold. For the past two years, the world has dealt with a much different variation. For this edition of In The Author's Voice, Epidemiologist and writer Dan Werb talks about the history of coronavirus in his new book, "The Invisible Siege: The Rise of Coronaviruses and the Search for a Cure."