Case Report
Fever of Unknown Origin in a Patient with Confirmed West Nile Virus Meningoencephalitis
Table 1
Results of laboratory testing on the patient cerebrospinal fluid.
| | Test | Result | Reference ranges |
| | Color | Clear | Clear/colorless | | WBC (per μL) | 530 | 0–5 | | Neutrophil (%) | 76 | 0–5 | | Lymphocyte (%) | 10 | 0–5 | | Monocyte (%) | 14 | 0–5 | | RBC (per μL) | 15 | 0 | | Glucose (mg/dL) | 91 | 50–80 mg/dL | | Protein (mg/dL) | 154 | 15–60 mg/dL | | Gram stain/culture | No organisms | No organisms | | VDRL culture | No organisms | No organisms | | Fungal culture | No organisms | No organisms | | HSV-1/2 PCR | Negative | Negative | | Crypto Ag | Negative | Negative | | Cocci IgG/IgM | Negative | Negative | | WNV IgG | 1.86 | <1.30 | | WNV IgM | 4.43 | <0.90 |
|
|
VDRL indicates venereal disease research laboratory; HSV, Herpes simplex virus; Crypto, Cryptococcus; Ag, antigen; cocci, coccidiomycosis; WNV, West Nile Virus. Reference ranges for WNV ELISA titer are values IgG < 1.30, IgM < 0.90.
|
