Mosquito-borne West Nile Virus: A Comprehensive Guide
What is West Nile Virus?
West Nile virus (WNV) is a mosquito-borne illness that can cause fever, headache, body aches, nausea, vomiting, and rash.
Most people infected with WNV do not develop any symptoms. About 20% of people develop a mild illness with symptoms that last a few days.
In rare cases, WNV can cause serious illness, including encephalitis (inflammation of the brain) or meningitis (inflammation of the membranes that line the brain and spinal cord).
How is West Nile Virus Spread?
WNV is spread through the bite of an infected mosquito. Mosquitoes become infected when they feed on birds that are infected with the virus.
WNV is not spread from person to person.
Who is at Risk for West Nile Virus?
Anyone can get WNV, but people over 60 years old and people with weakened immune systems are at higher risk for serious illness.
What are the Symptoms of West Nile Virus?
Most people infected with WNV do not develop any symptoms.
About 20% of people develop a mild illness with symptoms that last a few days. These symptoms may include:
- Fever
- Headache
- Body aches
- Nausea
- Vomiting
- Rash
In rare cases, WNV can cause serious illness, including encephalitis (inflammation of the brain) or meningitis (inflammation of the membranes that line the brain and spinal cord).
How is West Nile Virus Diagnosed?
WNV is diagnosed with a blood test.
How is West Nile Virus Treated?
There is no specific treatment for WNV.
Treatment is supportive and may include:
- Rest
- Fluids
- Pain relievers
In severe cases, hospitalization may be necessary.
How can I Prevent West Nile Virus?
There is no vaccine to prevent WNV.
The best way to prevent WNV is to avoid mosquito bites.
You can do this by:
- Using insect repellent
- Wearing long sleeves and pants
- Avoiding being outdoors at dusk and dawn
- Removing standing water from your property
Comments