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==Discovery== The ''Shigella'' genus is named after Japanese physician [[Kiyoshi Shiga]], who researched the cause of dysentery.<ref name="t380">{{cite book | last=Paradise | first=L.J. | last2=Bendinelli | first2=M. | last3=Friedman | first3=H. | title=Enteric Infections and Immunity | publisher=Springer US | series=Infectious Agents and Pathogenesis | year=2013 | isbn=978-1-4899-0313-6 | url=https://books.google.com/books?id=w23lBwAAQBAJ&pg=PA79 | access-date=2025-03-12 | page=79}}</ref> Shiga entered the Tokyo Imperial University School of Medicine in 1892, during which he attended a lecture by [[Kitasato Shibasaburō|Shibasaburo Kitasato]]. Shiga was impressed by Kitasato's intellect and confidence, so after graduating, he went to work for him as a research assistant at the Institute for Infectious Diseases. In 1897, Shiga focused his efforts on what the Japanese referred to as a ''sekiri'' (dysentery) outbreak. Such epidemics were detrimental to the Japanese people and occurred often in the late 19th century. The 1897 ''sekiri'' epidemic affected >91,000, with a mortality rate of >20%.<ref>{{Cite journal|last1=Trofa|first1=Andrew F.|last2=Ueno-Olsen|first2=Hannah|last3=Oiwa|first3=Ruiko|last4=Yoshikawa|first4=Masanosuke|date=1999-11-01|title=Dr. Kiyoshi Shiga: Discoverer of the Dysentery Bacillus|journal=Clinical Infectious Diseases|language=en|volume=29|issue=5|pages=1303–1306|doi=10.1086/313437|pmid=10524979|issn=1058-4838|doi-access=free}}</ref> Shiga studied 32 dysentery patients and used [[Koch's postulates]] to successfully isolate and identify the bacterium causing the disease. He continued to study and characterize the bacterium, identified its methods of (Shiga-) toxin production, and worked to create a vaccine for the disease.{{citation needed|date=March 2023}}
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