Table 2.
Bacterial pathogens obtained using sputum aerobic bacterial culture and viral pathogens obtained using multiplex reverse transcription-polymerase chain reaction (RT-PCR)
| Bacterial pathogen | Number of samples* | Viral pathogen | Number of samples* |
|---|---|---|---|
| Gram-negative bacteria | |||
| Klebsiella pneumoniae | 9 | Influenza A/B | 9 |
| Pseudomonas aeruginosa | 5 | Rhinovirus | 4 |
| Escherichia coli | 4 | Coronavirus | 2 |
| Haemophilus influenzae | 3 | Human metapneumovirus | 2 |
| Acinetobacter baumannii | 3 | Enterovirus | 1 |
| Stenotrophomonas | 2 | Parainfluenza | 1 |
| maltophilia | |||
| Proteus mirabilis | 1 | Respiratory syncytial virus | 1 |
| Neisseria spp. | 1 | ||
| Gram-positive bacteria | |||
| Streptococcus viridans | 16 | ||
| Staphylococcus aureus | 4 | ||
| Coagulase-negative | 5 | ||
| Staphylococci | |||
| Enterobacter cloacae | 3 | ||
| Corynebacterium spp. | 3 | ||
| Group D Streptococci | 2 | ||
| Enterococcus spp. | 1 |
Note:
*
More than one pathogen was identified in exacerbated patient respiratory samples.