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Koch Tuberculin

A cure for TB?
In 1882, German bacteriologist Robert Koch discovered the bacillus Mycobacterium tuberculosis, the primary cause of tuberculosis. Eight years later, Koch announced that tuberculin--a sterile liquid he produced from cultures of the bacillus--could be used to combat the disease in its early stages. People from all over the world streamed to Berlin for the new cure. They were to be disappointed. Though tuberculin proved not to be a tuberculosis cure, it has been a good diagnostic tool for the disease. This bottle of Koch's tuberculin dates from 1891.

Accounts of TB can be found in the writings of the ancient Egyptians, in those of the Greek physician Hippocrates, and in the medical writings of most urbanized societies since then.
Robert Koch, born December 11, 1843, Clausthal, German free city; died May 27, 1910, Baden-Baden, Germany (1843-1910)
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· Robert Koch
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