5 oct. 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.Ajouté au bande de temps:
Date:
5 oct. 1796
Maintenaint
~ Il y a 228 ans