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jan 1, 1847 - Semmelweis
Description:
Ignaz Semmelweis demonstrates that washing hands is associated with a decrease in Puerperal fever infections.
Added to timeline:
14 Dec 2018
1
0
400
History of Pathogens
BHLTH 224 Infectious Disease Timeline
Date:
jan 1, 1847
Now
~ 177 years ago