Tag: smallpox

Smallpox, unlike the Minié ball, was an indiscriminate, equal-opportunity killer that killed about 30% of those it infected.  Although there was no cure, English physician Edward Jenner had devised a vaccine of sorts. He noticed that milkmaids often contracted cowpox, which resembled smallpox but was much less virulent, and were thereafter immune to smallpox. He […]