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Campylobacter jejuni
''Campylobacter jejuni'' is a species of bacterium commonly found in animal feces. It is curved, helical-shaped, non-spore forming, Gram-negative, and microaerophilic.〔(Online Bacteriological Analytical Manual, Chapter 7: Campylobacter )〕〔(【引用サイトリンク】url = http://www.plosbiology.org/plosonline/?request=get-document&doi=10.1371%2Fjournal.pbio.0030040 )〕 This species of pathogenic bacteria is one of the most common causes of human gastroenteritis in the world. Food poisoning caused by ''Campylobacter'' species can be severely debilitating, but is rarely life-threatening. It has been linked with subsequent development of Guillain–Barré syndrome (GBS), which usually develops two to three weeks after the initial illness.〔Fujimoto S, Amako K. Guillain-Barre syndrome and Campylobacter jejuni infection. Lancet
1990;35:1350.〕
==Sources==
''C. jejuni'' is commonly associated with poultry, and it naturally colonises the digestive tract of many bird species. One study found that 30% of European starlings in farm settings in Oxfordshire, United Kingdom, were carriers of ''C. jejuni''.〔F M Colles, N D McCarthy, J C Howe, C L Devereux, A G Gosler, and M C J Maiden Dynamics of Campylobacter colonization of a natural host, Sturnus vulgaris (European Starling) Environ Microbiol. 2009 January; 11(1): 258–267. .〕 It is also common in cattle, and although it is normally a harmless commensal of the gastrointestinal tract in these animals, it can cause campylobacteriosis in calves. It has also been isolated from wombat and kangaroo feces, being a cause of bushwalkers' diarrhea. Contaminated drinking water and unpasteurized milk provide an efficient means for distribution. Contaminated food is a major source of isolated infections, with incorrectly prepared meat and poultry as the primary source of the bacteria.
On June 29, 2011, the Wyoming Department of Health was notified of two laboratory-confirmed cases of ''C. jejuni'' in two persons working at a local sheep ranch who had castrated and docked the tails of lambs. Fecal-oral contamination was later verified by the CDC, which confirmed the bacteria from the infected lambs at the ranch had PFGE patterns indistinguishable from those from the men.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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