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30 giug 1798 anni - 1798-Edward Jenner. Estudia la resistencia a la viruela que presentaban ciertos grupos de población y comienza el desarrollo de técnicas de vacunación.

Aggiunto al nastro di tempo:

Microbiología

Byroberto del real

19 set 2018

0

0

1435

Data:

30 giug 1798 anni

Adesso

~ 227 years ago

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