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   How do you know if you have West Nile virus?

   • Most people infected with West Nile virus have no symptoms. They won't know they had the infection. About 1 in 5 people who become infected will develop West Nile fever. This is a flu-like illness. These are the most common symptoms of West Nile fever: The more severe form of the West Nile virus affects mostly older adults.

   West Nile Virus | Johns Hopkins Medicine

   www.hopkinsmedicine.org/health/conditions-and-diseases/west-nile-virus

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   What is West Nile Virus (WNV)?

   • West Nile Virus (WNV) is a member of the flavivirus genus and belongs to the Japanese encephalitis antigenic complex of the family Flaviviridae. West Nile Virus (WNV) was first isolated in a woman in the West Nile district of Uganda in 1937. It was identified in birds (crows and columbiformes) in Nile delta region in 1953.

   West Nile virus - World Health Organization (WHO)

   www.who.int/news-room/fact-sheets/detail/west-nile-virus

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   Which animals can be infected with West Nile Virus (WNV)?

   • Humans, horses and other mammals can be infected. West Nile Virus (WNV) is a member of the flavivirus genus and belongs to the Japanese encephalitis antigenic complex of the family Flaviviridae. West Nile Virus (WNV) was first isolated in a woman in the West Nile district of Uganda in 1937.

   West Nile virus - World Health Organization (WHO)

   www.who.int/news-room/fact-sheets/detail/west-nile-virus

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   Can you get a West Nile fever if you have a virus?

   • But most will become immune to the virus and never get a West Nile illness. One in five infections results in West Nile fever. Once considered a relatively mild illness, the CDC now says people with West Nile fever can be quite ill for quite a long time.

   West NIle Virus FAQ: 17 Frequently Asked Questions - WebMD

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2. www.healthline.com › health › west-nile-virusWest Nile Virus: Symptoms, Causes, and Treatment - Healthline

   www.healthline.com › health › west-nile-virus

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   Sep 29, 2018 · If you have West Nile virus, you will typically show the first virus symptoms within three to 14 days of being bitten. West Nile virus symptoms vary in severity. Severe symptoms can...

   • Author: Rachel Nall, MSN, CRNA

3. my.clevelandclinic.org › health › diseasesWest Nile Virus: Symptoms, Treatment & Prevention

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   Oct 16, 2023 · West Nile Virus. West Nile is a virus that spreads through mosquito bites. Most people infected with West Nile virus don’t have symptoms. About 1 in 5 people have symptoms like fever, rash and muscle aches. Rarely, West Nile can cause serious brain and spinal cord inflammation (encephalitis and meningitis).

4. www.who.int › fact-sheets › detailWest Nile virus - World Health Organization (WHO)

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   Oct 3, 2017 · West Nile virus can cause a fatal neurological disease in humans. However, approximately 80% of people who are infected will not show any symptoms. West Nile virus is mainly transmitted to people through the bites of infected mosquitoes. The virus can cause severe disease and death in horses. Vaccines are available for use in horses but not yet ...

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6. newsnetwork.mayoclinic.org › discussion › west-nileWest Nile virus: What you need to know - Mayo Clinic News Network

   newsnetwork.mayoclinic.org › discussion › west-nile

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   Jul 3, 2023 · Seek medical attention immediately if you have signs or symptoms of a serious infection, such as severe headaches, a stiff neck, disorientation or confusion. Hospitalization is usually necessary for a serious infection. Testing and diagnosis. "West Nile virus infection is usually diagnosed by detecting antibodies in a patient's blood sample.

7. www.webmd.com › a-to-z-guides › west-nile-virus-faqWest NIle Virus FAQ: 17 Frequently Asked Questions - WebMD

   www.webmd.com › a-to-z-guides › west-nile-virus-faq

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   6 min read. WebMD has answers to some common questions about West Nile virus. 1. How do people get infected with West Nile virus (WNV)? People get West Nile virus from the bite of a mosquito...

8. www.hopkinsmedicine.org › west-nile-virusWest Nile Virus | Johns Hopkins Medicine

   www.hopkinsmedicine.org › west-nile-virus

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   Humans get West Nile from the bite of an infected mosquito. Usually, the West Nile virus causes no symptoms or only mild, flu-like symptoms. The virus can cause life-limiting illnesses, such as encephalitis, meningitis, or meningoencephalitis. There is no vaccine available to prevent West Nile virus.

9. www.cdc.gov › west-nile-virus › hcpClinical Testing and Diagnosis for West Nile Virus Disease

   www.cdc.gov › west-nile-virus › hcp

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   May 15, 2024 · Patients with suspected West Nile virus (WNV) disease should first be tested for WNV-specific immunoglobulin (Ig)M antibodies in serum and/or cerebrospinal fluid (CSF). In some cases, positive IgM results should be confirmed by neutralizing antibody testing at a state public health laboratory or CDC. Reverse transcription-polymerase chain ...