TABLE 1.
Microbial agents in 114 patients with diagnoses of pneumonia etiology
| Pathogena | No. (%) with indicated infection that were:
|
|
|---|---|---|
| HIV+ (67 cases) | HIV− (47 cases) | |
| Bacterial agents | 42 (63) | 24 (51) |
| Streptococcus pneumoniae | 22 | 1 |
| Staphylococcus aureus | 10 | |
| Haemophilus influenzae | 3 | |
| Pseudomonas aeruginosa | 1 | 5 |
| Acinetobacter baumannii | 1 | 2 |
| Serratia marcescens | 1 | |
| Morganella morganii | 1 | |
| Mycobacterium tuberculosis | 12 | 4 |
| Mycobacterium kansasii | 2 | |
| Chlamydia pneumoniae | 1 | |
| Fungal agents | 23 (34) | 18 (38) |
| Aspergillus fumigatus | 1 | 12 |
| Scedosporium prolificans | 2 | |
| Penicillium spp. | 1 | |
| Candida spp. | 1 | 1 |
| Pneumocystis carinii | 21 | 2 |
| Viral agents | 6 (9) | 11 (23) |
| IVA | 3 | 7 |
| PIV2 | 1 | |
| PIV3 | 1 | |
| CMV | 1 | 2 |
| Enterovirus | 1 | |
| RSV | 1 | |
| Polymicrobial infections | 4 (6) | 6 (13) |
| P. carinii + CMV | 1 | |
| P. carinii + S. pneumoniae | 1 | |
| P. carinii + S. pneumoniae + IVA | 1 | |
| A. fumigatus + P. aeruginosa | 2 | |
| A. fumigatus + IVA | 1 | |
| IVA + P. aeruginosa + M. morganii | 1 | |
| IVA + S. aureus | 1 | |
| PIV2 + M. tuberculosis | 1 | |
| RSV + Candida spp. | 1 | |
a
IVA, influenza A virus; PIV2, parainfluenza 2 virus; RSV, respiratory syncytial virus.