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Volume 7, Number 4—August 2001
West Nile Virus
West Nile Virus

Clinical Findings of West Nile Virus Infection in Hospitalized Patients, New York and New Jersey, 2000

Don Weiss*Comments to Author , Darcy Carr*, Jacqueline Kellachan*, Christina Tan†‡, Michael Phillips*‡, Eddy Bresnitz†, Marcelle Layton*, and for the West Nile Virus Outbreak Response Working Group
Author affiliations: *New York City Department of Health, New York, New York, USA; †New Jersey Department of Health and Senior Services, Trenton, New Jersey, USA; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA 1

Main Article

Table 2

West Nile patient laboratory findings, New York and New Jersey, 1999 and 2000

Test Number tested (%) Mean value or N with condition (range) Normal values (2)
Leukocyte count, mean 19 (100) 308 mm3 (0-1782) 0-5 cells/mm3
Red cell count, mean 16 (84) 115/mm3 (0-700) 0 cells/mm3
Protein, mean 19 (100) 111 mg/dL (56-555) 15-50 mg/dL
Glucose, mean 19 (100) 67 mg/dL (48-95) 50-80 mg/dL
Differential,a >50% neutrophils 15 (79) 9 (1-100%) All mononuclear cells
Complete blood cell count
Leukocyte count, mean 19 (100) 10,600/mm3 (4,400-19,700) 4,500-11,000/mm3
Differential cell count,a >77% segs + bands 18 (95) 11 (55-96%) 59% ± 18
Hemoglobin (male), mean 11 (100) 14.5 g/dL (11.8-16.5) 15.5 g/dL ± 1.1
Hemoglobin (female), mean 8 (100) 12.7 g/dL (10.5-14.6) 13.7 g/dL ± 1.0
Other laboratory
Hyponatremia, serum Na <135 mmol/L 19(100) 8 (42%) 135-145 mmol/L
Elevated AST, >twice upper limit 17 (90) 4 (24%) 10-35 units/L
Elevated ALT, >twice upper limit 15 (79) 1 (7%) 20-48 units/L
Elevated total bilirubin, >twice upper limit 16 (84) 3 (19%) 0.3-1.0 mg/dL

aValues are the number of patients with the laboratory finding; ranges are the values of all patients.
CSF = cerebrospinal fluid; AST = aspartate aminotransferase; ALT = alanine aminotransferase; segs = segmented neutrophils.

Main Article

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Main Article

1A. Labowitz, J.A. Greenko, B. Maldin, B. Edwin, I. Poshni, A. Fine, New York City Department of Health; R. Lanciotti, Centers for Disease Control and Prevention; F. Sorhage, C. Farello, D. Adam, B. Wolf, New Jersey Department of Health and Senior Services; A Dupius, L. Kramer, New York State Department of Health.

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