100 Greatest Discoveries: Theory on Germs
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In 1846 Vienna, childbed fever caused death among many pregnant patients. Consequently, Dr. Ignaz Semmelweis began an experiment where his doctors washed their hands. Learn more about this experiment... (more info)

In 1846 Vienna, childbed fever caused death among many pregnant patients. Consequently, Dr. Ignaz Semmelweis began an experiment where his doctors washed their hands. Learn more about this experiment on the Science Channel's "100 Greatest Discoveries."

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