Caution: This post is not a prediction. It’s just a tutorial about the concept of herd immunity, with an eye to why it’s probably not an approach the US wants to take in solving the complex problems we’ve gotten ourselves into with COVID-19.
Click this graphic to go see a six second animation of these images, created in 2017 by Reddit user TheOtherEdmund. You many need to watch a few times. Get a feel for the differences in what happens in the different blocks, and come back to discuss: