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22 oct 1820 año - Early Experiments in Transmission

Descripción:

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

Añadido al timeline:

new disease

ByTassya
14 dic 2018

fecha:

22 oct 1820 año
Ahora mismo
~ 203 years ago
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