Table 4.
Pathogenic agents distribution by age.
| Pathogen | n | Age group |
||
|---|---|---|---|---|
| ≤3 years (n = 242) | 3–7 years (n = 36) | ≥7 years (n = 93) | ||
| Bacteria | ||||
| S. pneumoniae | 77 | 24 | 14 | 39 |
| H. influenzae | 36 | 15 | 7 | 14 |
| Virus | ||||
| Respiratory syncytial virus | 163 | 108 | 11 | 44 |
| Rhinovirus | 55 | 31 | 4 | 20 |
| Parainfluenza virus 1, 2, 3, and 4 | 35 | 16 | 6 | 13 |
| Adenovirus | 32 | 15 | 7 | 10 |
| Human bocavirus | 14 | 8 | 1 | 5 |
| Human coronavirus (NL63, OC43, 229E and HKU1) | 14 | 9 | 2 | 3 |
| Influenza virus B | 7 | 4 | 0 | 3 |
| Human metapneumovirus | 5 | 3 | 0 | 2 |
| Influenza virus A | ||||
| Swine lineage H1N1 | 2 | 1 | 0 | 1 |
| Season H3N2 | 3 | 2 | 0 | 1 |
| Total | 443 | 236 | 52 | 155 |