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Doctor insights on: Infectious Disease Specialists West Nile Virus Infection

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Dr. Louis Gallia
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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What are the tests for west nile virus infection?

What are the tests for west nile virus infection?

Several: Since the disease is usually asymptomatic and has no specific treatment, testing focuses on transmissibility person-to-person which is rare. Virus in the blood / spinal fluid by PCR proves infection. Igm anti-wnv suggests recent infection (up to a year), anti-wnv igg may take months to turn positive or be false-positive from dengue / immunization / other viruses. All blood is now screened. ...Read more

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What are the presenting symptoms of a west nile virus infection?

What are the presenting symptoms of a west nile virus infection?

Many have none: May present with fever, fatigue, body aches, skin rash on the trunk, enlarged lymph nodes and generalized sense of not feeling well. In about one in 150 patients develop neurological findings of meningitis/encephalitis, and this can be potentially devastating. ...Read more

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What is the pathogenesis of the west nile virus infection?

What is the pathogenesis of the west nile virus infection?

Brain virus: The flavivirus is carried by mosquitoes, often mutants that bite both birds and people. It usually produces no symptoms, less often a mild fever, 1% of the time affects the brain, with the virus entering and multiplying in brain cells sometimes with lasting damage. Until there is a vaccine, avoiding mosquitoes is safest. ...Read more

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How can the way in which humans become infection with malaria and west nile virus differ?

How can the way in which humans become infection with malaria and west nile virus differ?

Malaria vs WNV: West Nile Virus is found in temperate & tropical areas of the world. West Nile Virus has been detected in Culex, Anopheles, Culiseta, Deinocerites, Psorophora, Mansonia, Coquillettidia, Uranotaenia & Aedes mosquitoes. But the most common carriers are Culex & Aedes. Malaria is usually found in tropical & subtropical areas. There are about 3,500 species of mosquitoes. Only 30 to 40 species of ...Read more

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Can you tell me how the way in which humans become infection with malaria and west nile virus differ?

Can you tell me how the way in which humans become infection with malaria and west nile virus differ?

Malaria vs WNV: West Nile Virus is found in temperate & tropical areas of the world. West Nile Virus has been detected in Culex, Anopheles, Culiseta, Deinocerites, Psorophora, Mansonia, Coquillettidia, Uranotaenia & Aedes mosquitoes. But the most common carriers are Culex & Aedes. Malaria is usually found in tropical & subtropical areas. There are about 3,500 species of mosquitoes. Only 30 to 40 species of ...Read more

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What are the differences between Lyme disease and the west nile virus?

Not much in common: Lyme Disease is caused by borrelia (a bacteria). West Nile Virus is caused by a virus. The former causes a targetoid rash and can infect just about any organ system including the eye, joints,heart, and brain if left untreated. It is transmitted to humans by a deer tick. West Nile virus is transmitted by a mosquito and in most cases is asymptomatic. 20% get rash / fever. Encephalitis is rare. ...Read more

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I have west nile virus, have I transmit the disease directly to my family members?

I have west nile virus, have I transmit the disease directly to my family members?

No: Humans are "dead-end hosts" that means you can only transmit wnv to others through blood transfusions and organ donations. ...Read more

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Is there a difference between west nile virus and hansen disease (leprosy)?

West nile virus: West nile virus - is a mosquito transmitted virus that causes encephalitis (brain inflammation). This can cause coma and death. Leprosy is caused by a bacteria that affects peripheral nerves, skin, eye, mucosa -- secondary infections is usually the cause of death. ...Read more

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How common is it for mosquitos to transmit diseases such as west nile virus? I'm considering taking a vacation in central america during the summer, and i was wondering whether getting sick while traveling is a very real possibility that I have to worry a

How common is it for mosquitos to transmit diseases such as west nile virus? I'm considering taking a vacation in central america during the summer, and i was wondering whether getting sick while traveling is a very real possibility that I have to worry a

A : A person's risk of contracting west nile is very low, and less than 1% of those infected develop serious illness from the virus. The most high risk population for developing a serious ilness from west nile virus are elderly and those who are immunosupressed. It is important for everyone to protect themselves from mosquito bites to minimize the risk of infection. Use a mosquito repellent during your trip. ...Read more

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Can west nile virus infect by unborn child?

Can west nile virus infect by unborn child?

West Nile virus: There have been reports of possible transmission of the virus from mother to child during pregnancy or breast feeding, but these have been rare and not confirmed conclusively. ...Read more

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What is the treatment for west nile virus infection?

What is the treatment for west nile virus infection?

Treating West Nile: There is no specific therapy for this viral infection. Supportive treatment for symptoms and time are the only treatments. ...Read more

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What are the symptoms of the west nile virus? And if i get it and do get symptoms is their any way to treat it?

Wide variety : Fever, chills, gastrointestinal signs and symptoms, muscle aches, stiffness, pain, severe headache, alterations in sensorium and mental status and other neurological sign and symptoms may all occur. There is no specific treatment except managing the symptoms. Fortunately very few people get central nervous system involvement and most recover entirely. ...Read more

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Can you tell me how is malaria and west nile virus different?

Can you tell me how is malaria and west nile virus different?

WNV vs Malaria: West Nile Virus is found in temperate & tropical areas of the world & has been detected predominantly Culex & Aedes mosquitoes. WNV is a viral infection that causes flu-like syndrome in 20% of those infected. < 1/1000 people die from WNV infection.**Malaria is usually found in tropical & subtropical areas. Only female Anopheles mosquitoes can act as a vector for Malaria. WNV is a protozoan > ...Read more

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What does the west nile virus rash look like?

What does the west nile virus rash look like?

West Nile Virus: About 20% of people who are infected w west nile virus may develop a rash. The rash is variable ; may be maculopapular or macular. Most people don’t have sx’s w west nile virus. An article entitled “characteristics of the rash associated with west nile virus fever” indicated that 33% of people w a rash had pruritus. ...Read more

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Will antibiotics work against west nile virus?

Will antibiotics work against west nile virus?

Not yet: No antibiotics are approved for use against west nile virus. Attempts at using ribavirin, immunoglobulins & interferons to treat wnv patients have been inconclusive. Numerous new medications are in development now. Fortunately 80-90% of people who are infected with wnv have no symptoms or disease. The elderly are at highest risk. Severe wnv infections have decreased in the past 10 years. ...Read more

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I got bitten by a mosquito will i get west nile virus?

WNV: Although west nile virus is now in most of the us, the majority of mosquitoes are not infected. You would have to be bitten by an infected mosquito. ...Read more

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What is recovery rate from West Nile virus causing encephalitis?

What is recovery rate from West Nile virus causing encephalitis?

Variable: A case of West Nile virus with encephalitis recover but takes long time , prolonged recuperation and need rehabilitation for a long time . They may have some memory loss or weakness of limbs ...Read more

Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more


West Nile Virus (Definition)

West Nile Virus is a mosquito borne infection that originated in the tropics. It causes a flu-like syndrome in 20% of those infected . It ...Read more