this post was submitted on 20 Jul 2025
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Huh I didn’t know humans could get mild cowpox
A great many pathogens can be "weakened" with various processes, heat is one, but also the surviving strains in a living being that beat the disease via immunity may also carry weakened strains and this is where we learned to deliberately contract smallpox via poking someone's skin pustule and poking ourselves with that pus.
Gross but highly effective. This is how George Washington inoculated his army. (Which of course he learned about through a Reverend in Boston who learned about it from his slave, Onesimus, which makes sense as smallpox was ravaging Africa for over 10,000 years, they figured it out eventually.)
Thank you so much for sharing this interesting information.
Yes, it’s super interesting. The reason the word ‘vaccine’ derives from the Latin ‘vacca’ (cow) was because we observed that people who contracted the cowpox gained some protection from smallpox. We investigated that connection, did a bunch of testing and research (which included early scientists infecting themselves on purpose in some rather gross ways), and developed the theory of vaccines.
The history of early modern medicine is very cool.
Same, I get it a couple of times a year, and it's only ever extremely severe. I would love to know the secret.