I read a study the other day that showed that the third best thing for Covid protection is vaccination. The second best is having had it already. And the best

I read a study the other day that showed that the third best thing for Covid protection is vaccination. The second best is having had it already. And the best was both. Even if you've already had it, getting the vaccine as well drastically reduces your chances of being serious ill with Covid. And it's free, so why not get that extra protection?