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12 gen 1796 anni - Smallpox/Germ Theory

Descrizione:

Edward Jenner notices milk maids don't get sick of smallpox and wonders why. Found Cows got sick with their own Pox. Jenner tests Cow-Pox on James Phillips and gives him a small dose. Phillips doesn't get Smallpox. This is known as Vaccination where you give a very small dose of the disease and introduce it into the immune system which then develop antibodies for it and was the first reported case of such thing.

Aggiunto al nastro di tempo:

Data:

12 gen 1796 anni
Adesso
~ 229 years ago