Table 2.
Laboratory investigation results (n = 526)
| Viral agent | Positive cases n (%) | IgM antibody positive | PCR/RT–PCR positive | ||
|---|---|---|---|---|---|
| CSF | Blood | CSF | Blood | ||
| HSV I | 39 (7·4) | 0 | 39 (possible) | 0 | 0 |
| HSV II | 25 (4·7) | 0 | 25 (possible) | 0 | 0 |
| HSV | 21 (4·0) | 0 | 0 | 21 (definitive) | 0 |
| Measles | 14 (2·6) | 7 (definitive) | 7 (possible) | 0 | 0 |
| JEV | 8 (1·5) | 7 (definitive) | 1 (possible) | 0 | 0 |
| Dengue | 3 (0·57) | 1 (definitive) | 2 (possible) | 0 | 1* (possible) |
| VZV | 2 (0·38) | 1 (definitive) | 1 (possible) | 0 | 0 |
| Enteroviruses | 1 (0·19) | 0 | 1 (possible) | 0 | 0 |
| Total | 113† | 16 | 76 | 21 | 1 |
HSV, Herpes simplex virus; JEV, Japanese encephalitis virus; VZV, varicella zoster virus.
*
The sample was also positive for NS1 antigen.
†
Dual infection in 22 patients: HSV I and HSV II (n = 14), measles and HSV I (n = 7); dengue and JEV (n = 1).