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8 fev 1858 ano - Paul Louis Simond

Descrição:

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

Adicionado na linha do tempo:

new disease

14 dez 2018

1

0

559

Data:

8 fev 1858 ano

Agora

~ 167 years ago

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