Anthony S. Fauci, MD, is chief medical adviser on COVID-19 to President Biden, and has served under seven U.S. presidents. As director of the National Institute of Allergy and Infectious Diseases (NIAID), Fauci is leading the White House’s efforts in the fight against COVID-19. Washington Post columnist David Ignatius will talk with Fauci about the latest developments in vaccine research, production and distribution, the mutated coronavirus strains sweeping through Britain and South America, and how to remain vigilant against the spread of the virus.