The Driver
I drive.
Useless. Can't be sure they're not lying about their vaccination status, for one.You don't have to "withhold" anything.
We follow smokers and non-smokers after each have made their decisions.
We have not done the same for the vaccinated and unvaccinated.
You just don't want to do science
Buddy, we can see what's happening to the control group. They're much, much more likely to die of infection.