3 ms·
https://en.wikipedia.org/wiki/Herd_immunity https://en.wikipedia.org/wiki/Herd_immunity
by fouralarmfire 7y ago
https://en.wikipedia.org/wiki/Herd_immunity https://en.wikipedia.org/wiki/Herd_immunity
- abvr 7y agoThanks, maybe I'll make a post of this instead of posing it as a question, that might create a discussion. Oops, looks like that has already been done heh.