Trichinosis causes: Difference between revisions

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Species and characteristics:
Species and characteristics:
*''[[Trichinella spiralis|T. spiralis]]'': is most adapted to swine, most pathogenic in humans and is cosmopolitan in distribution.
{| style="border: 0px; font-size: 90%; margin: 3px;" align=center
*''T. britovi'': is the second most common species to infect humans; it is distributed throughout Europe, Asia, and northern and western Africa usually in wild boar and domesticated pigs.
|+ '''''Source of Infection and Geographical Distribution of Trichinella species,'''''
*''T. nativa'': which has a high resistance to freezing, is found in the Arctic and subarctic regions; reservoir hosts include polar bears, Arctic foxes, walruses and other wild game.
! style="width: 180px;background: #4479BA"|{{fontcolor|#FFF| Disease}}
*''T. pseudospiralis'': infects birds and mammals, and has demonstrated infection in humans.
! style="width: 120px;background: #4479BA"|{{fontcolor|#FFF| Main Source}}
*''T. papuae'': infects both mammals and reptiles, including crocodiles, humans, and pigs; this species, found in Papua New Guinea and Thailand.
! style="width: 120px;background: #4479BA"|{{fontcolor|#FFF| Geographical Distribution}}
*''T. nelsoni'': found in eastern Africa, has been documented to cause a few human cases.
|-
*''T. murrelli'': also infects humans, especially from black bear meat; it is distributed among wild carnivores in North America.
|  style="width: 120px;font-weight: bold;background: #DCDCDC"| ''T. spiralis''
*''T. zimbabwensis'': can infect mammals and possibly humans; this species was detected in reptiles of Africa.<ref>Trichinosis. Wikipedia.https://en.wikipedia.org/wiki/Trichinosis. Accessed on January 22, 2016</ref>
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Swine
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Cosmopolitan
|-
|  style="width: 120px;font-weight: bold;background: #DCDCDC"| ''T. britovi''
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Wild boar, domesticated pigs
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Europe, Asia, northern and western Africa
|-
|  style="width: 120px;font-weight: bold;background: #DCDCDC"| ''T. nativa''
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Polar bears, Artic foxes, walruses
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Arctic, subarctic regions
|-
|  style="width: 120px;font-weight: bold;background: #DCDCDC"| ''T. papuae''
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Wild pigs, saltwater crocodiles
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Papua New Guinea, Thailand
|-
|  style="width: 120px;font-weight: bold;background: #DCDCDC"| ''T. nelsoni''
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Warthogs, bush pigs
| style="background: #DCDCDC;font-weight: bold; text-align:center"| Eastern Africa
|-
|  style="width: 120px;font-weight: bold;background: #DCDCDC"|''T. murrelli''
| style="background: #DCDCDC;font-weight: bold; text-align:center"|Black bear
| style="background: #DCDCDC;font-weight: bold; text-align:center"|North America
|-
|  style="width: 120px;font-weight: bold;background: #DCDCDC"|''T. zimbabwensis''
| style="background: #DCDCDC;font-weight: bold; text-align:center"|Nile crocodiles, monitor lizards
| style="background: #DCDCDC;font-weight: bold; text-align:center"|Zimbabwe, Mozambique, Ethiopia, South Africa
|-
|}
 
==References==
==References==
{{reflist|2}}
{{reflist|2}}

Revision as of 16:14, 25 January 2016

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Danitza Lukac

Overview

Common cause of trichinosis include Trichinella spiralis. Less common causes of trichinosis include T. britovi, T. nativa, T. pseudospiralis, T. papuae, T. nelsoni, T. murrelli, and T. zimbabwensis.[1]

Causes

The classical agent that causes trichinosis is T. spiralis (found worldwide in many carnivorous and omnivorous animals), but there are several other species of Trichinella now recognized, including T. pseudospiralis (mammals and birds worldwide), T. nativa (Arctic bears), T. nelsoni (African predators and scavengers), T. britovi (carnivores of Europe and western Asia), and T. papuae (wild and domestic pigs, Papua New Guinea and Thailand).[2]

Species and characteristics:

Source of Infection and Geographical Distribution of Trichinella species,
Disease Main Source Geographical Distribution
T. spiralis Swine Cosmopolitan
T. britovi Wild boar, domesticated pigs Europe, Asia, northern and western Africa
T. nativa Polar bears, Artic foxes, walruses Arctic, subarctic regions
T. papuae Wild pigs, saltwater crocodiles Papua New Guinea, Thailand
T. nelsoni Warthogs, bush pigs Eastern Africa
T. murrelli Black bear North America
T. zimbabwensis Nile crocodiles, monitor lizards Zimbabwe, Mozambique, Ethiopia, South Africa

References

  1. ↑ Trichinosis. Wikipedia.https://en.wikipedia.org/wiki/Trichinosis. Accessed on January 22, 2016
  2. ↑ Trichinosis. Wikipedia.https://en.wikipedia.org/wiki/Trichinosis. Accessed on January 22, 2016

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