West Nile Virus

Infection can cause serious neurological effects for some

Published in TB and Outbreaks Week, August 5th, 2003

Infection with West Nile virus can cause short- and long-term neurologic effects, including headaches, memory loss, movement disorders and polio-like paralysis, in a small percentage of patients, according to a new study.

Most human infections with West Nile virus (WNV) are subclinical or manifest as a mild febrile illness, but a small proportion of patients (<1%) develop acute neurologic illness.

The U.S. outbreak of WNV in 2002 presented an opportunity to prospectively assess specific neurologic manifestations, laboratory and neurodiagnostic findings, and long-term outcome associated with WNV infection.

James J. Sejvar, MD,...

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Source: TB and Outbreaks Week (2003-08-05)

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