| Feeding | Virus type | Total | ||
| Rotavirus | Enteric adenovirus | Mixed infection | ||
| Bottle | 13 | 2 | 2 | 17 |
| Breast | 5 | 1 | 0 | 6 |
| Mixed | 4 | 0 | 0 | 4 |
| Total | 22 | 3 | 2 | 27 |