this post was submitted on 20 Jul 2025
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[โ€“] ameancow@lemmy.world 51 points 1 week ago (1 children)

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.)

[โ€“] Batmancer@sh.itjust.works 12 points 1 week ago

Thank you so much for sharing this interesting information.