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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
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30 avr. 1796 - Jenner performed key experiment

Description:

treated lady for cowpox then transferred fluid from pustule on her arm to young boy who recovered after 9 days. when innoculated with smallpox he showed no symptoms

Ajouté au bande de temps:

History of Medicine

Bylisa
14 déc. 2017
0
0
941

Date:

30 avr. 1796
Maintenaint
~ Il y a 229 ans
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