West Nile Virus Testing
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To assist in the diagnosis of West Nile virus (WNV) infection.
Serum collected in a red-top tube or CSF collected in a sterile plastic container.
(Method: Enzyme immunoassay [EIA] is generally used for clinical specimens, and nucleic acid testing [NAT] is generally used for testing specimens from potential donors of blood products, cellular therapy, or solid organ transplants.) Normal findings for EIA/ELISA (IgG & IgM): no antibody detected; for NAT viral RNA: nonreactive.