As long as it's still available on a government website, thought it worth sharing this fascinating article about inoculations.

General Washington required all soldiers to be inoculated, which may have proven key in America winning the Revolutionary War.

https://www.nps.gov/articles/000/smallpox-inoculation-revolutionary-war.htm#:~:text=In%201764%2C%20Warren%20inoculated%20John,her%20children%20against%20the%20disease