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Heinrich Hermann Robert Koch (/ k ɒ x / KOKH; [1] [2] German: [ˈʁoːbɛʁt ˈkɔx] ⓘ; 11 December 1843 – 27 May 1910) was a German physician and microbiologist.As the discoverer of the specific causative agents of deadly infectious diseases including tuberculosis, cholera and anthrax, he is regarded as one of the main founders of modern bacteriology.
Koch went on to study the mechanisms of other diseases and won the 1905 Nobel Prize in Physiology or Medicine for his discovery of the bacterium causing tuberculosis. [ 82 ] Although Koch arguably made the greatest theoretical contribution to understanding anthrax, other researchers were more concerned with the practical questions of how to ...
Koch took his research into a new direction—applied research—to develop a tuberculosis treatment and use the profits to found his own research institute, autonomous from government. [17] In 1890 Koch introduced the intended drug, tuberculin, but it soon proved ineffective, and accounts of deaths followed in news press. [18]
Jean Joseph Henri Toussaint. Jean Joseph Henri Toussaint (30 April 1847 – 3 August 1890) was a French veterinarian born in Rouvres-la-Chétive, department of Vosges.. In 1869 he received his diploma from the school of veterinary medicine in Lyon.
In September 2001, letters containing anthrax spores were mailed to several news media offices and two U.S. Senators, killing five people and infecting 17 others. Of those infected, 11 developed cutaneous anthrax, while 11 developed inhalation anthrax. 20 of the 22 infected worked at a site where contaminated mail was handled or received. [7]
Anthrax is a bacterial disease that is caused by Bacillus anthracis bacteria. It can infect animals when they breathe in or ingest spores in contaminated soil, plants, or water.
Koch's postulates (/ k ɒ x / KOKH) [2] are four criteria designed to establish a causal relationship between a microbe and a disease. The postulates were formulated by Robert Koch and Friedrich Loeffler in 1884, based on earlier concepts described by Jakob Henle , and the statements were refined and published by Koch in 1890. [ 3 ]
In the days since, guns have killed at least 2244 more people. Chicago has seen more recent gun deaths than any other city in the U.S. In a speech there, President Obama said "too many of our children are being taken away from us" as a result of gun violence.