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west nile virus - Definition: (Source: MedicineNet)

West Nile virus: The mosquito-borne virus that causes West Nile fever. One of the flaviviruses, a family of viruses also responsible for dengue, yellow fever, and tick-borne encephalitis virus. Like the other flaviviruses, the West Nile virus is a positive-strand RNA virus containing three structural proteins and a host-derived lipid bilayer. The West Nile virus is an icosahedral structure of about 500 angstroms in diameter. The overall structure of the West Nile virus most closely resembles that of dengue fever virus but the surface proteins are slightly different, which may give West Nile virus some of its unique features. ...
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west nile virus - Images (Source: MedLinePlus)
west nile virus, Mosquito, adult feeding on the skin
Mosquito, adult feeding on the skin
west nile virus, Mosquito, adult
Mosquito, adult
west nile virus, Mosquito, egg raft
Mosquito, egg raft
west nile virus, Mosquito, pupa
Mosquito, pupa
west nile virus, Meninges of the brain
Meninges of the brain

About west nile virus (Source: WebMD)
West Nile virus causes an infection that is spread by certain kinds of mosquitoes . Most often, mosquitoes get infected when they bite infected birds. Then the mosquitoes spread the virus when they bite people or other animals, such as horses. West Nile cannot spread from these animals to people or from person to person through casual contact. ...
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Get A Second Opinion From...
eMedicineHealth West Nile Virus
Medem West Nile Virus
HealthAtoZ west nile virus
NHSDirect west nile virus
MayoClinic west nile virus

Frequently Asked Questions for west nile virus (Source: MedicineNet)
What is West Nile virus?
Where did the West Nile virus come from?
How do people get West Nile virus?
How do mosquitoes get infected with the West Nile virus?
Can one person contract the virus from another?
Besides mosquitoes, can other insects transmit the West Nile virus?
Are there any other viruses around like the West Nile virus?
What are the symptoms of West Nile virus?
When is there an increased risk for infection?
Who is at risk for getting West Nile virus?
How is West Nile virus treated?
Is a woman's pregnancy at risk if she gets West Nile virus?
What can a community do to reduce the risk of an outbreak of the West Nile virus?
What can a person do to reduce the risk of becoming infected with the West Nile virus?
West Nile Virus At A Glance
Bad Bugs - Slideshow

Symptoms of west nile virus (Source: MedLinePlus)
Mild disease, generally called West Nile fever, has some or all of the following symptoms: Abdominal pain; Back pain; Diarrhea; Fever; Headache; Lack of appetite; Muscle aches ; Nausea; Sore throat; Vomiting. These symptoms usually last for 3 - 6 days. With more severe disease, the following symptoms can also occur, and need prompt attention: Confusion or change in ability to think clearly; Loss of consciousness ; Muscle weakness ; Stiff neck . ...
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Get A Second Opinion From...
WebMD What are the symptoms of west nile virus
HealthAtoZ west nile virus
NHSDirect west nile virus

News on west nile virus
West Nile Virus Kills 15 in U.S. (MedicineNet)
West Nile Virus Widespread in U.S. (MedicineNet)
West Nile Hits West, Spares NE (MedicineNet)
117 West Nile Deaths in 2007 (MedicineNet)

Further Reading on west nile virus
  • West Nile Virus - Treatment Overview ( WebMD )
    West Nile Virus causes an infection that can lead to inflammation of the brain (encephalitis), the spinal cord (myelitis), or the... West Nile virus causes an infection that can...see the topic...
  • Insect Bites ( WebMD )
    Stings and bites from insects are common . They often result in redness and swelling in the injured ...cycle in a particular species of mosquitoes. West Nile virus is another disease spread by a...
  • Encephalitis ( WebMD )
    Encephalitis is an acute infection and inflammation of the brain itself. Find out more...mosquitoes and ticks. The equine (meaning horse), West Nile , Japanese, La Crosse, and St. Louis encephalitis..
  • Insect Bites and Stings and Spider Bites - Topic Overview ( WebMD )
    Insect and spider bites often cause minor swelling , redness , pain , and itching . These mild reactions ...the use of antiserum. A virus infection. Infected mosquitoes can spread the West Nile virus to...
  • Encephalitis - Topic Overview ( WebMD )
    Encephalitis is an inflammation of the brain that is usually the result of a viral infection . Encephalitis is rare , but it can be ...causes encephalitis? Infection with a virus is the main cause of.


  • Diseases From Animals: A Primer ( WebMD )
    There are at least 39 important diseases people catch directly from animals . There are at least 48 important diseases people get ...have only recently emerged: monkeypox, West Nile encephalitis,
  • Encephalitis, West Nile ( MedicineNet )
  • Fever, West Nile ( MedicineNet )
  • Flavivirus encephalitis ( MedicineNet )
  • west nile virus ( MayoClinic )



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