Your post seems to ignore natural immunity completely. As in people who have had covid already and are immune, or already have cross reactive immunity from a coronavirus strain in a previous cold season.
This Doctor in the Wall Street Journal last month brings attention to herd immunity gained through previous infection.
You are right it does ignore it. I would be fine to make an exception for someone who has natural immunity. It might make it needlessly complicated which explains why businesses are making it simple and mandating vaccinations.
This Doctor in the Wall Street Journal last month brings attention to herd immunity gained through previous infection.
https://www.wsj.com/articles/the-power-of-natural-immunity-1...