Diagnostic Testing Algorithm for Suspected West Nile Virus Disease

What to know

The majority of West Nile virus (WNV) disease cases can be diagnosed by testing serum or cerebrospinal fluid for immunoglobulin (Ig) M antibodies. However, in certain people molecular testing is better. Learn the signs, symptoms, and how to diagnose West Nile virus disease in your patients.

Doctor looking at a computer

Diagnostic Algorithm

Suspected West Nile virus disease diagnosis.
West Nile virus diagnosis
A flowchart following testing pathways for suspected West Nile virus disease.
West Nile virus diagnostic testing algorithm

West Nile Virus Diagnostic Algorithm

An infographic describing the risk factors, clinical considerations, and diagnostic pathways for West Nile virus.

Spanish West Nile Virus Diagnostic Algorithm

An infographic describing the risk factors, clinical considerations, and diagnostic pathways for West Nile virus in Spanish.