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8 feb 1858 anni - Paul Louis Simond

Descrizione:

French army physican
Working w/ pastuer
experimente with rats if fleas can transmit fleas to eachother.

Aggiunto al nastro di tempo:

new disease

14 dic 2018

1

0

550

Data:

8 feb 1858 anni

Adesso

~ 167 years ago

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