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22 oct. 1820 - Early Experiments in Transmission

Description:

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

Ajouté au bande de temps:

new disease

ByTassya
14 déc. 2018

Date:

22 oct. 1820
Maintenaint
~ Il y a 203 ans
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