oct 5, 1796 - Edward Jenner
Description:
Developed a vaccine for Smallpox. He inoculated cowpox into patients that had been exposed to Smallpox. Jenner proved this to work by using his gardeners son, James Phipps and injecting cowpox into the boy.Added to timeline:
Date:
oct 5, 1796
Now
~ 229 years ago