Japanese encephalitis virus: Difference between revisions

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{{subpages}}
{{subpages}}
{{Taxobox | color= aqua
{{Taxobox | color= aqua
| name = Japanese Encephalitis Virus
| name = Japanese Encephalitis Virus (JE)
| virus_Group= Group IV ((+)ssRNA)
| virus_Group= Group IV ((+)ssRNA)
| phylum = Flaviviridae
| phylum = Flaviviridae
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==General information and Symptoms==
==General information and Symptoms==
Japanese encephalitis is a [[virus]] that infects the [[central nervous system]], which consists of the brain and spinal cord.  It may range from mild to acute infection.  
Japanese encephalitis (JE) is a [[virus]] that infects the [[central nervous system]], which consists of the brain and spinal cord.  It may range from mild to acute infection.  
Mild Symptoms include flu-like illness that may include:<ref>http://www.cdc.gov/ncidod/dvbid/jencephalitis/qa.htm</ref>   
Mild Symptoms include flu-like illness that may include:<ref>http://www.cdc.gov/ncidod/dvbid/jencephalitis/qa.htm</ref>   
*Headaches
*Headaches
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As the infection progresses without treatment it may reach an acute level in the brain.  When such a high level of infection occurs in the brain there are serious side affects which include moderate brain damage ,varying degrees of paralysis <ref>http://www.dhpe.org/infect/jpenceph.html</ref> as well as seizures and death.<ref>http://www.wrongdiagnosis.com/j/japanese_encephalitis/symptoms.htm</ref>  
As the infection progresses without treatment it may reach an acute level in the brain.  When such a high level of infection occurs in the brain there are serious side affects which include moderate brain damage ,varying degrees of paralysis <ref>http://www.dhpe.org/infect/jpenceph.html</ref> as well as seizures and death.<ref>http://www.wrongdiagnosis.com/j/japanese_encephalitis/symptoms.htm</ref>  
==Transmission and Epidemiology==
==Transmission and Epidemiology==
Japanese encephalitis virus is considered an [[arthropod]] virus called an arbovirus.  The vector that spreads this arbovirus is a mosquito.<ref>http://www.answers.com/topic/japanese-encephalitis</ref>The Culicine mosquito from the genus Culex are responsible for many diseases such as [[Dengue fever]], [[Yellow fever]], [[Venezuelan equine encephalitis]], as well as the Japanese encephalitis.  Their eggs are laid in still water that is either clean water or contaminated with organic waste.  These eggs are also resistant to [[dessication]] for several months.
Japanese encephalitis virus is considered an [[arthropod]] virus called an arbovirus.  The vector that spreads this arbovirus is a mosquito.<ref>http://www.answers.com/topic/japanese-encephalitis</ref>The Culicine mosquito from the genus Culex are responsible for many diseases such as [[Dengue fever]], [[Yellow fever]], [[Venezuelan equine encephalitis]], as well as the Japanese encephalitis.  Their eggs are laid in still water that is either clean water or contaminated with organic waste.  These eggs are also resistant to [[dessication]] for several months.<ref>http://www.cbwinfo.com/Biological/Vectors/Culicine.html</ref>
 
The first reported suspicion of JE was within the last century and first documented in horses as well as humans in Japan, which explains the origin of it's name.  The virus was first isolated from human brain tissue in rabbits in 1924.<ref>http://www.vadscorner.com/jelsk.html</ref>
==Ecology==
==Ecology==



Revision as of 22:53, 21 April 2009

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Japanese Encephalitis Virus (JE)
Scientific classification
Phylum: Flaviviridae
Genus: Flavivirus
Species: Japanese encephalitis virus

General information and Symptoms

Japanese encephalitis (JE) is a virus that infects the central nervous system, which consists of the brain and spinal cord. It may range from mild to acute infection. Mild Symptoms include flu-like illness that may include:[1]

  • Headaches
  • Agitation
  • Feeling tired
  • Nausea
  • Vomiting
  • Chills
  • Fever

A severe infection symptoms may include mild symptoms as well as:[2]

As the infection progresses without treatment it may reach an acute level in the brain. When such a high level of infection occurs in the brain there are serious side affects which include moderate brain damage ,varying degrees of paralysis [3] as well as seizures and death.[4]

Transmission and Epidemiology

Japanese encephalitis virus is considered an arthropod virus called an arbovirus. The vector that spreads this arbovirus is a mosquito.[5]The Culicine mosquito from the genus Culex are responsible for many diseases such as Dengue fever, Yellow fever, Venezuelan equine encephalitis, as well as the Japanese encephalitis. Their eggs are laid in still water that is either clean water or contaminated with organic waste. These eggs are also resistant to dessication for several months.[6] The first reported suspicion of JE was within the last century and first documented in horses as well as humans in Japan, which explains the origin of it's name. The virus was first isolated from human brain tissue in rabbits in 1924.[7]

Ecology

Structure and Metabolism

Pathology

Current Research

References