Table 2.
Evidence of serological of herpesviruses (HSV-1, HSV-2, EBV and CMV) infection in healthy gibbons (n = 78 cases).
| Herpesvirus Serological markers | Positive serological marker | Cut-off value | Mean positive OD. | |
| No. | (%) | (COV) | Range | |
| HSV-1 | 22 | (28.2) | 0.118 | 0.591 |
| 0.286–0.692 | ||||
| HSV-2 | 22 | (28.2) | 0.093 | 0.361 |
| 0.137–0.607 | ||||
| EBV | 14 | (17.9) | 0.143 | 0.395 |
| 0.203–0.653 | ||||
| CMV | 11 | (14.1) | 0.085 | 0.213 |
| 0.106–0.375 | ||||
| Herpesvirus mixed infection | ||||
| HSV-1 and HSV-2 | 16 | (20.5) | - | |
| HSV-1, HSV-2 and EBV | 4 | (5.1) | - | |
| HSV-1, HSV-2 and CMV | 1 | (1.3) | - | |
| HSV-1, HSV-2, EBV and CMV | 1 | (1.3) | - | |
| EBV and CMV | 1 | (1.3) | - | |