| Characteristics | Congenital CMV infection N = 2 | Postnatal CMV infection N = 4 |
| Gestational age (weeks) | 280 (253 - 303) | 251 (250 - 266) |
| Caesarean section | 1 (50) | 1 (25) |
| Birth weight (g) | 1228 (815 - 1640) | 895 (700 - 1118) |
| Male gender | 2 (100) | 1 (25) |
| Cerebral abnormality | 0 (0) | 2 (50) |
| Abnormal hearing test | 1 (50) | 0 (0) |
| Median CMV viral load, copies/ml | 25.0 × 106 (22.0 - 28.0 × 106) | 6.9 × 106 (1.4 - 14.4 × 106) |
| Median treatment duration (months) | 4.5 (3 - 6) | 3 (2 - 4) |
| Side effects of oral valganciclovir | 1 (50) | 0 (0) |