Alan, I never made any predictions about the release of the vaccine, but I corrected you at least 5 times about the fallacy of the herd immunity.
There seems to be some positive signs that herd immunity could be reached. Some experts, maybe a minority, have come around to that based on the huge numbers of people who have already gotten Covid naturally. Then add in the vaccinations. Even if it doesn't wipe it out totally, the number of those still getting the infection could be so low that we could get on with life a lot easier. Also, herd immunity can be limited to smaller geographic areas, not necessarily a whole country.
I think there's a lot of debate, but no one really knows for sure. The arguments seem to fall along political lines like when the vaccine would be developed. Zika had a herd immunity of around 65%. IF Covid is the same, then we're actually pretty close, maybe another few months. Let's be hopeful.