Users' questions

How do adults get tested for West Nile virus?

How do adults get tested for West Nile virus?

Spinal tap (lumbar puncture). A needle inserted between the lower vertebrae of your spine is used to remove a sample of fluid for analysis in a lab. The fluid sample may show an elevated white blood cell count — a signal that your immune system is fighting an infection — and antibodies to the West Nile virus.

Who is at risk of becoming ill from West Nile virus?

Severe illness can occur in people of any age; however, people over 60 years of age are at greater risk for severe illness if they are infected (1 in 50 people).

How long does West Nile virus take to show symptoms?

Symptoms usually occur 3 to 14 days after a person is bitten by an infected mosquito. Symptoms can last a few days up to several weeks. They usually go away on their own. Contact your doctor if you have any of these symptoms and have recently been bitten by a mosquito.

What are the chances of getting West Nile virus from a mosquito bite?

Even in areas where the virus is circulating, very few mosquitoes are infected with the virus. Even if the mosquito is infected, less than 1% of people who get bitten and become infected will get severely ill. The chances you will become severely ill from any one mosquito bite are extremely small.

How many cases of West Nile virus have there been?

West Nile virus disease cases reported to CDC by state and year, 1999-2017. West Nile virus neuroinvasive disease cases reported to CDC by state and year, 1999-2017. West Nile virus disease cases and deaths reported to CDC by year and clinical presentation, 1999-2017.

What are the symptoms of West Nile virus in children?

The following are the most common symptoms of West Nile fever. However, each child may experience symptoms differently. Symptoms may include:

When to test for West Nile Virus ( WNV )?

If serum is collected within 8 days of illness onset, the absence of detectable virus-specific IgM does not rule out the diagnosis of WNV infection, and the test may need to be repeated on a later sample.

Who are the Best Doctors for West Nile virus?

Richard N. Fogoros, MD, is a retired professor of medicine and board-certified internal medicine physician and cardiologist. Andy Miller, MD, is board-certified in internal medicine and infectious disease.