Seeing what the case positivity is this week is the best way to decide whether the vaccine has been effective enough to go out this week. Looking at the vaccin

Seeing what the case positivity is this week is the best way to decide whether the vaccine has been effective enough to go out this week. Looking at the vaccine numbers for this week is a worse proxy. How does it help? Sure, you could use the projected vaccinations for next March to decide how likely it is that you'll be able to go and watch a broadway show in March, but, like the weather forecast, you'll need to know what the actual positivity is in March to make the final decisions.