[pgkdan]

Washington used variolation on new recruits because there was smallpox in nearby Boston and probably saved the revolution

I agree. In one of his letters to his wife Abigail, John Adams said that (paraphrasing) the pox has killed more of our men than the British. It was a real problem.

[ichabod1]

False. Because we all know the coloniss were immune to Smallpox and they gave it to the Native Americans Redskins.