Persistence of Virus-Reactive Serum Immunoglobulin M Antibody in Confirmed West Nile Virus Encephalitis Cases
Open Access
- 1 March 2003
- journal article
- Published by Centers for Disease Control and Prevention (CDC) in Emerging Infectious Diseases
- Vol. 9 (3), 376-379
- https://doi.org/10.3201/eid0903.020531
Abstract
Twenty-nine laboratory-confirmed West Nile virus (WNV) encephalitis patients were bled serially so that WNV-reactive immunoglobulin (Ig) M activity could be determined. Of those patients bled, 7 (60%) of 12 had anti-WNV IgM at approximately 500 days after onset. Clinicians should be cautious when interpreting serologic results from early season WNV IgM-positive patients.Keywords
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