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and it led to a really impressive public health victory.
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In fact, this is--this little cartoon that on the bottom says,
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Death's dispensary, was an example of
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how the recognition that The Broad Street Pump was the source--
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one of the sources of disease
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and you see the skeleton up there pumping the water,
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got played out in cartoons.
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There was some developments later,
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more traditional medical developments,
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like more work by Pasteur on the germ theory.
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Then there was the isolation of the particular microbe;
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this happened 26 years after Snow died.