3 ms·

This seems similar to an old technique, 'inoculation', which predates vaccination and was used with some success to protect against smallpox. [0] https://en.wi

This seems similar to an old technique, 'inoculation', which predates vaccination and was used with some success to protect against smallpox. [0] https://en.wikipedia.org/wiki/Inoculation https://en.wikipedia.org/wiki/Inoculation

maxerickson 7y ago
It's like horse serum. It isn't a less deadly infection conferring the benefit, it is the immune system components of the blood, the antibodies. https://www.historyofvaccines.org/content/horse-serum https://www.historyofvaccines.org/content/horse-serum