2 days ago
There's no vaccine for this
The simplified, somewhat apocryphal story I was taught about the origins of vaccines is this one: In 1796, at the height of the smallpox epidemic, physician Edward Jenner noticed that milkmaids who had contracted cowpox, a related but milder illness, appeared to be immune to the more severe disease, which killed 30 percent of the people who caught it. Jenner took a cowpox sample from an infected milkmaid and injected it into the arm of a willing subject, and the subject became immune, and smallpox became eradicated, and we never looked back.
