Bacterial isolates (n = 98) obtained on admission to the PICU from the lower airway in 70 children with severe RSV bronchiolitis
| Co-infection(>105 cfu/ml) | Low bacterial growth(<105 cfu/ml) | |
|---|---|---|
| 23 patients had multiple organisms (18 had two, 5 had three bacteria); community organisms were involved in 91% of these cases compared with 77% single isolates (p = 0.2, Fisher’s exact test). | ||
| *67% (10/15) had chronic illnesses. | ||
| Community organisms28,30 | ||
| H influenzae | 17 | 11 |
| S aureus | 10 | 12 |
| M catarrhalis | 8 | 10 |
| S pneumoniae | 6 | 6 |
| S pyogenes | 1 | |
| Abnormal organisms28,30* | ||
| P aeruginosa | 4 | 3 |
| B pertussis | 1 | |
| K pneumoniae | 1 | 1 |
| E coli | 1 | 1 |
| E cloacae and C freundii | 1 | |
| P mirabilis | 1 | |
| S agalactiae | 1 | |
| N meningitidis | 1 | |
| MRSA | 1 | |