We could start by naively assuming that recovering from covid infection and vaccination against covid are completely independent. For a state with 50% vaccination rate, there would be 50% of the unvaccinated and about half of all unvaccinated would be previously infected.
We could start by naively assuming that recovering from covid infection and vaccination against covid are completely independent. For a state with 50% vaccination rate, there would be 50% of the unvaccinated and about half of all unvaccinated would be previously infected.