Smallpox ravaged Colonial America. Half of the 10,000 continental soldiers fell ill with it. And it decimated Native American populations.
John Adams wrote, “The smallpox is ten times more terrible than the British, Canadians and Indians together. This was the cause of our precipitate retreat from Quebec.” Also, Small Pox probably prevented Canadian territories from being put under the purview of America.
Inoculation, at the time, was a method that exposes people to a mild form of the pathogen. George Washington ordered mandatory inoculation in 1776. The actual Vaccine wasn’t formulated until 1796.
What this means is that the American Military in the Revolution was one of the world’s first army with a vaccination program.
Here is what the US Military vaccinates against. Hepatitis B, Hepatitis A, Influenza, Measles, Mumps, and Rubella (MMR), Inactivated Polio, Tetanus-Diphtheria, Typhoid, Yellow Fever, Tuberculosis Screening, Meningococcal Vaccine.
Sometimes they prepare against Adenovius, and Yellow Fever as well.