- Mar 8, 2010
Knew you'd say that. We're trying to isolate an effect.This LITERALLY implies the vaccines worked.
Temporal considerations, Joe. Which I've mentioned a bunch by now. You'd be getting some of the effects associated fresh(er) immunity. Not so fresh? Then not so useful. That's the obvious picture being painted.
And then there is the behavioral components associated with people vaccinated and their communities. They obviously tend to be more risk averse where Covid is concerned. (granted, vaccinated individuals will likely be less risk averse now in certain scenarios)