On May 27, 2022 , we heard the simplest possible explanation of what Covid does to our bodies and how to prevent the spread, but we gave a finger to that information in favour of business as usual. Change is hard.
Between the time the CDC told people to unmask and Biden declared the pandemic over, and just a couple months after mask mandates were removed from the schools in Ontario, transplant surgeon and bioscientist (and LA Times owner and billionaire) Dr. Patrick Soon-Shiong explained what was definitely known about Covid (h/t Jesse International - transcript abridged a bit further down):

