What if we just, like, gave you a little part of the measles? Like whatever’s on the outside of the virus, so your immune system can just know to attack that?
I think those were the first “vaccines”. Cut open a forearm and put some measle scabs from someone else in there. I could be completely wrong here though.
It was using secretions from cowpox lesions as protection from smallpox. Cowpox is a similar, but much less dangerous pathogen, so it conferred some cross-immunity without risking actual smallpox infection.
What if we just, like, gave you a little part of the measles? Like whatever’s on the outside of the virus, so your immune system can just know to attack that?
I think those were the first “vaccines”. Cut open a forearm and put some measle scabs from someone else in there. I could be completely wrong here though.
It was using secretions from cowpox lesions as protection from smallpox. Cowpox is a similar, but much less dangerous pathogen, so it conferred some cross-immunity without risking actual smallpox infection.