"I made a projection months ago that the most likely scenario is that we would need after the third dose, annual revaccination against Covid," says @AlbertBourla on boosters. "I think we're going to have an annual revaccination and that should be able to keep us really safe." pic.twitter.com/j2oBuHMM1I
— Squawk Box (@SquawkCNBC) November 29, 2021