Shigellosis causes: Difference between revisions

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Latest revision as of 19:03, 18 September 2017

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-In-Chief: Yazan Daaboul; Serge Korjian

Overview

Shigellosis is usually a foodborne or waterborne illness caused by an infection with Shigella species. Shigella is a gram-negative, non-motile, facultatively anaerobic, non-spore-forming rod.

Causes

Etiologic Agent

Shigellosis is usually a foodborne or waterborne illness caused by an infection with Shigella species.

There are 4 Shigella species that are responsible for development of Shigellosis:

Serogroup A: S. dysenteriae (12 serotypes)
Serogroup B: S. flexneri (6 serotypes)
Serogroup C: S. boydii (23 serotypes)
Serogroup D: S. sonnei (1 serotype)

Structure

Shigella is a gram-negative, non-motile, facultatively anaerobic, non-spore-forming rod.^[1]
Shigella is closely related to E. coli, where both organisms are thought to be derived from similar vector plasmids. Unlike E. coli, Shigella cannot ferment lactose or decarboxylate lysine.^[1]

References

↑ ^1.0 ^1.1 Hale, TL; Keusch, GT (1996). "Shigella. In: Baron S, editor. Medical Microbiology. 4th edition". Galveston (TX): University of Texas Medical Branch at Galveston. Retrieved 4 April 2015.

Template:WikiDoc Sources

[NCBI-1] 1.0 ^1.1 Hale, TL; Keusch, GT (1996). "Shigella. In: Baron S, editor. Medical Microbiology. 4th edition". Galveston (TX): University of Texas Medical Branch at Galveston. Retrieved 4 April 2015.

[1]

@@ Line 1: / Line 1: @@
 __NOTOC__
 {{Shigellosis}}
-{{CMG}}
+{{CMG}} '''Associate Editor(s)-In-Chief:''' [[User:YazanDaaboul|Yazan Daaboul]]; [[User:Sergekorjian|Serge Korjian]]
+==Overview==
+Shigellosis is usually a foodborne or waterborne illness caused by an infection with ''Shigella'' species. ''Shigella'' is a [[gram-negative]], non-motile, facultatively anaerobic, non-[[spore]]-forming [[rod]].
 ==Causes==
-Shigellosis is  is a [[foodborne illness]] caused by infection by [[bacteria]] of the genus [[Shigella]].
+===Etiologic Agent===
+Shigellosis is usually a [[foodborne]] or waterborne illness caused by an infection with ''Shigella'' species.
+*There are 4 ''Shigella'' species that are responsible for development of Shigellosis:
+:* Serogroup ''A'': ''[[Shigella dysenteriae|S. dysenteriae]]'' (12 [[serotype]]s)
+:* Serogroup ''B'': ''[[Shigella flexneri|S. flexneri]]'' (6 serotypes)
+:* Serogroup ''C'': ''[[Shigella boydii|S. boydii]]'' (23 serotypes)
+:* Serogroup ''D'': ''[[Shigella sonnei|S. sonnei]]'' (1 serotype)
-The Shigella bacteria pass from one infected person to the next. Shigella are present in the [[diarrhea]]l [[stool]]s of infected persons while they are sick and for a week or two afterwards. Most Shigella infections are the result of the bacterium passing from stools or soiled fingers of one person to the mouth of another person. This happens when basic hygiene and handwashing habits are inadequate. It is particularly likely to occur among toddlers who are not fully toilet-trained. Family members and playmates of such children are at high risk of becoming infected.
+===Structure===
+*''Shigella'' is a [[gram-negative]], non-motile, facultatively anaerobic, non-[[spore]]-forming [[rod]].<ref name="NCBI">{{cite journal |last= Hale|first=TL |last2=Keusch|first2=GT |date=1996 |title=Shigella. In: Baron S, editor. Medical Microbiology. 4th edition.  |url=http://www.ncbi.nlm.nih.gov/books/NBK8038/ |journal=Galveston (TX): University of Texas Medical Branch at Galveston|access-date=4 April 2015}}</ref>
+*Shigella is closely related to ''[[E. coli]]'', where both organisms are thought to be derived from similar vector plasmids. Unlike ''E. coli'', ''Shigella'' cannot ferment [[lactose]] or decarboxylate [[lysine]].<ref name="NCBI">{{cite journal |last= Hale|first=TL |last2=Keusch|first2=GT |date=1996 |title=Shigella. In: Baron S, editor. Medical Microbiology. 4th edition.  |url=http://www.ncbi.nlm.nih.gov/books/NBK8038/ |journal=Galveston (TX): University of Texas Medical Branch at Galveston|access-date=4 April 2015}}</ref>
-Shigella infections may be acquired from eating contaminated food. Contaminated food may look and smell normal. Food may become contaminated by infected food handlers who forget to wash their hands with soap after using the bathroom. Vegetables can become contaminated if they are harvested from a field with sewage in it. Flies can breed in infected feces and then contaminate food. Shigella infections can also be acquired by drinking or swimming in contaminated water. Water may become contaminated if sewage runs into it, or if someone with shigellosis swims in it.
-<ref>http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_t.htm </ref>
-<ref>http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_g.htm </ref>
 ==References==
 {{Reflist|2}}
+[[Category:Disease]]
-[[de:Bakterienruhr]]
-[[es:Shigelosis]]
-[[ru:Шигеллёз]]
-[[Category:Needs overview]]
-[[Category:Disease]]
-[[Category:Infectious disease]]
 [[Category:Gastroenterology]]
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