How Long Does Hybrid Immunity Last?

Some individuals may just for whatever reason their immune system is really good at kicking the COVID's ass, right? Yeah. And high five. This is often what happens when you have a very diverse outbred population, you get, you know, massive pandemic. Some individuals survive by luck and that they become the progenitors of the next generation. If there weren't modern medicine and vaccines and stuff, right? So it's also luck. Like it could be luck. You know, if you just model it scientifically, just statistically speaking, not every single person will get infected,. even just do chants alone.