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5 out 1796 ano - Edward Jenner

Descrição:

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.

Adicionado na linha do tempo:

Data:

5 out 1796 ano
Agora
~ 229 years ago

Imagens: