A Doctor Breaks Down Moderna's ‘Exciting' COVID-19 Vaccination News

Moderna announced Monday that preliminary data from its phase 3 trial showed its coronavirus vaccine is more than 94% effective in preventing COVID-19. Dr. Bob Lahita, a clinical professor at New York Medical College and the Chairman of the Department of Medicine at St. Joseph's Healthcare System, breaks down the "very exciting news," and why March and April could be "big months" for vaccination.