And selection is useless if the “gene pool” is small enough that the selection pressure just eradicates the disease entirely. If we get the R number to somethin

And selection is useless if the “gene pool” is small enough that the selection pressure just eradicates the disease entirely. If we get the R number to something like ⅒ and hold it there for a few months? Disease eradicated, job done, everybody goes home.