Tweet from Bob_Wachter at August 18, 2021 at 08:24PM
Lots of criticism of new booster plans, much of it re: how much of ⬇efficacy # s are due to confounding vs truly ⬇effectiveness. To me, it seems incontrovertible that vax effectiveness is ⬇significantly, though amount of drop – particularly vs severe cases – is unclear.(1/7🧵)
— Bob Wachter (@Bob_Wachter)
Aug 19, 2021
from http://twitter.com/Bob_Wachter