How to Tell if You Have West Nile Virus

What is West Nile virus?

West Nile virus is a mosquito-borne virus that can cause fever, headache, and body aches.

In severe cases, it can also lead to encephalitis (inflammation of the brain) or meningitis (inflammation of the membranes that cover the brain and spinal cord).

Symptoms of West Nile virus

The most common symptoms of West Nile virus are:

• Fever
• Headache
• Body aches
• Nausea
• Vomiting
• Skin rash
• Swollen lymph nodes

In severe cases, West Nile virus can also lead to:

• Encephalitis
• Meningitis
• Death

How is West Nile virus spread?

West Nile virus is spread through the bite of an infected mosquito.

Mosquitoes become infected with West Nile virus when they feed on infected birds.

When an infected mosquito bites a human, the virus can be transmitted to the human.

How to prevent West Nile virus

There is no vaccine to prevent West Nile virus.

However, there are steps you can take to reduce your risk of being bitten by an infected mosquito and getting sick.

• Use insect repellent containing DEET, picaridin, or oil of lemon eucalyptus.
• Wear long sleeves and pants when you are outdoors.
• Avoid being outdoors during peak mosquito hours (dusk and dawn).
• Install or repair screens on your windows and doors.
• Remove standing water from your property.

How is West Nile virus treated?

There is no specific treatment for West Nile virus.

Treatment is supportive and may include rest, fluids, and pain relievers.

In severe cases, hospitalization may be necessary.

What is the prognosis for West Nile virus?

Most people who get West Nile virus recover completely within a few weeks.

However, some people may develop serious complications, such as encephalitis or meningitis.

These complications can be fatal or lead to permanent disability.