The first vaccine for smallpox is invented or like they're sort of testing out early versions of it in 1721. In the 1800s, a guy edward jennor has the Extremely disgusting idea of injecting people with pus Some sores of milkmaids that had cowpox. But he's like why are the milkmaids getting smallpox? That's weird It's because they got this cowpox thing, which is not that bad, but also provides inoculation Boy, it could be fair to the early anti-vaxxers vaccines were fucking disgusting Yeah, I was gonna say content note for pus injections. You have no idea the stuff that I had to read