feb 26, 1796 - Jenner/Vaccination
Description:
Created the first successful vaccine. Jenner followed up on the fact that milkmaids who had cowpox didn't contract smallpox. He inoculated cowpox into cuts and then introduced smallpox, and then found that it was true (using a 9yr old boy)
Added to timeline:
The Fight is Never Ending
Public and Global Health
Date:
