Positive microbial cultures detected during 24 of the 68 episodes of acute lower respiratory tract infection, and their site of origin. In 15 children only one organism was detected; in nine children, two organisms were detected
| Organism | Positive cultures | Site | |
|---|---|---|---|
| Haemophilus influenzae | 5 | Sputum (2) | |
| BAL (3) | |||
| Streptococcus pneumoniae | 9 | Sputum (2) | |
| BAL (3) | |||
| Blood cultures (4) | |||
| Staphylococcus aureus | 1 | BAL (1) | |
| Mycobacterium avium intracellulare | 1 | BAL (1) | |
| Parainfluenza | 3 | BAL (1) | |
| Influenza | 2 | NPA (1) | |
| BAL (1) | |||
| Adenovirus | 2 | NPA (1) | |
| Respiratory syncytial virus | 4 | NPA (3) | |
| BAL (1) | |||
| Cytomegalovirus | 6 | BAL (4) | |
| NPA (2) | |||
BAL = bronchoalveolar lavage; NPA = nasopharyngeal aspirate.