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22 out 1820 ano - Early Experiments in Transmission

Descrição:

Med students Stubbins ffirth test person to person transmission
took fresh black vomit from yellow fever and smeared it, drank it

Adicionado na linha do tempo:

new disease

ByTassya
14 dez 2018

Data:

22 out 1820 ano
Agora
~ 203 years ago
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