Dr. Ashish Jha, Dean of Brown University's School of Public Health, weighs in on Biden’s plan to release nearly all vaccine doses rather than reserve them for millions of people’s second doses. WATCH FULL EPISODES: http://abc.go.com/shows/good-morning-america Visit Good Morning America’s Homepage: https://www.goodmorningamerica.com/ #GMA #COVID19 #Coronavirus #Pandemic #Vaccine