Tweet from Bob_Wachter at November 21, 2021 at 09:20AM
While it may seem like the decay in vax efficacy over 6 months portends a future of every-6-month boosting, the immune system doesn’t work like that. There’s every reason to believe shot #3 will last one or more years. Alas, there’s no way to know other than to see what happens.
— Bob Wachter (@Bob_Wachter)
Nov 21, 2021