"This is behaving a lot like SARS and MERS in that the antibody response doesn't last for a sustained period of time but you're seeing a robust T-cell response," says @ScottGottliebMD. "The presumption is you're going to have durable immunity from other immune cells." pic.twitter.com/OqDG2pfXn7

— Squawk Box (@SquawkCNBC) October 28, 2020