Table 2.
West Nile Virus Disease Cases by RT-PCR Test Results
|
RNA-positivea
(n = 3) |
RNA-negativeb
(n = 37) |
|
|---|---|---|
| n (%) | n (%) | |
| Median days after onset (range) | 2 (1–3) | 4 (0–7) |
| Median age, years (range) | 50 (50–74) | 64 (12–91) |
| Female | 0 (0) | 20 (54) |
| Location | ||
| California | 2 (66) | 28 (76) |
| Massachusetts | 0 (0) | 2 (5) |
| Minnesota | 0 (0) | 2 (5) |
| Louisiana | 1 (33) | 5 (14) |
a
Two of the three WNV RNA-positive specimens also were positive for WNV IgM antibodies.
b
All 37 WNV RNA-negative specimens were positive for WNV IgM antibodies.