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Koch’s work greatly improved medicine in Britain, as doctors now understood that it was bacteria that caused the symptoms of disease, so it was the bacteria that needed to be removed.
Sep 1, 2010 · Koch, by contrast, was a physician principally interested in microbial (especially bacterial) causes of human disease. While Pasteur worked to protect individuals through immunization, Koch worked to protect communities through better hygiene and public health.
- Steve M. Blevins, Michael S. Bronze
- 2010
One of his most important innovations was the use of solid media instead of liquid to prepare pure cultures of bacteria. Liquid media was easily contaminated by other germs, and colonies of bacteria became mixed up with each other.
Robert Koch discovered the bacteria that caused anthrax, septicaemia, tuberculosis and cholera, and his methods enabled others to identify many more important pathogens.
He invented new methods – «Reinkulturen» – of cultivating pure cultures of bacteria on solid media such as potato, and on agar kept in the special kind of flat dish invented by his colleague Petri, which is still in common use. He also developed new methods of staining bacteria which made them more easily visible and helped to identify them.
Jan 27, 2014 · Convinced of his proposed ‘germ theory’ Koch went to great lengths to see, and show his sceptical colleagues, the germs that circulated in the blood in septicaemia. This, as we can well imagine, was no easy task but he developed the simple potato medium that would make the organisms multiply.
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How did Robert Koch identify the different bacteria that cause common diseases?
According to Koch’s postulates, for an organism to be the cause of a disease, it must be found in all cases of the disease and must be absent from healthy organisms, as well as maintained in pure culture capable of producing the original infection.
