"A lot of these doses are going to be used potentially as boosters in the Fall," says @ScottGottliebMD on vaccine rollout. "The reality is there is going to be enough vaccine in the market that people are going to be able to get a shot in April." pic.twitter.com/7fNhN8yCMh

— Squawk Box (@SquawkCNBC) March 3, 2021