4 doctors weighed in:
What are the tests for west nile virus infection?
4 doctors weighed in

Dr. Ed Friedlander
Pathology
2 doctors agree
In brief: 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.

In brief: 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.
Dr. Ed Friedlander
Dr. Ed Friedlander
Thank
Dr. Heidi Fowler
Psychiatry
1 doctor agrees
In brief: A/W Dr. Friedlander
West Nile Virus can be identified with a Nucleic Acid Amplification test or checking for IgM & IgG antibodies.
Neuroinvasive Dz such as WNV Encephalitis can be assessed via spinal tap.

In brief: A/W Dr. Friedlander
West Nile Virus can be identified with a Nucleic Acid Amplification test or checking for IgM & IgG antibodies.
Neuroinvasive Dz such as WNV Encephalitis can be assessed via spinal tap.
Dr. Heidi Fowler
Dr. Heidi Fowler
Thank
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