| Sequelae | Number | Percentage (%) |
| Psychomotor Regression | 5 | 2.9 |
| Deafness | 4 | 2.4 |
| Hemiparesis | 4 | 2.4 |
| Hydrocephaly | 3 | 1.8 |
| Tetra paresis | 2 | 1.2 |
| Facial paralysis | 1 | 0.6 |
| Total | 17 | 9.9 |