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Volume 22, Number 9—September 2016

Use of Testing for West Nile Virus and Other Arboviruses

Jakapat Vanichanan, Lucrecia Salazar, Susan H. Wootton, Elizabeth Aguilera, Melissa N. Garcia, Kristy O. Murray, and Rodrigo HasbunComments to Author 
Author affiliations: University of Texas Health Science Center at Houston, Houston, Texas, USA (J. Vanichanan, L. Salazar, S.H. Wootton, E. Aguilera, R. Hasbun); Baylor College of Medicine, Houston (M.N. Garcia, K.O. Murray)

Main Article

Table 4

West Nile virus testing and results for patients with meningitis and encephalitis, Houston, Texas, USA

Variable Patients, no. (%)
Testing requested, n = 281
Serum IgM and IgG 168 (60)
Only cerebrospinal fluid IgM 44 (16)
Only serum IgM 40 (14)
Serum IgM and cerebrospinal fluid IgM 17 (6)
Serum WNV IgM, IgG and cerebrospinal fluid IgM 4 (1)
Only cerebrospinal fluid, by reverse transcription PCR 3 (1)*
Only serum IgG 2 (1)
3 (1)
Results for patients with acute West Nile virus infection, n = 32
Serum IgM + / serum IgG – 12 (38)
Serum IgM + / serum IgG + 8 (25)
Serum IgM + / cerebrospinal fluid IgM + 4 (12)
Only cerebrospinal fluid IgM + 4 (12)
Only serum IgM + 3 (9)
Serum IgM + / cerebrospinal fluid IgM – 1 (3)

*All 3 samples had negative test results.

Main Article

Page created: August 10, 2016
Page updated: August 16, 2016
Page reviewed: August 16, 2016
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