| 病原体 | 阳性例数(n) | 阳性率(%) |
| ADV | 102 | 1.98 |
| CP | 268 | 5.21 |
| Cb | 5 | 0.09 |
| HPIVs | 115 | 2.24 |
| INFA | 32 | 0.62 |
| INFB | 499 | 9.70 |
| LP | 0 | 0.00 |
| MP | 1799 | 34.99 |
| RSV | 256 | 4.98 |
| 混合感染 | 659 | 12.82 |