Herd immunity via a vaccine or just by almost everyone getting it? The problem is that the Grim Reaper does not always get it right, a point ignored by advocates of a Darwinian approach.
The lazy, cowardly, and stupid have an uncanny ability to survive anything. I wonder if it is because they do not get stressed?
Well, there isn't yet a vaccine.
Sweden doesn't seem to be doing particularly worse than anybody else despite the lack of serious restrictions.