Table 2 Etiologic agents of pneumonia
Type of infection and agents identified | n = 77 (%) |
|---|---|
None | 33 (42.9) |
Viral pathogen alone (single agent) | 22 (28.6) |
Viral pathogen alone (multiple agents) | 11 (14.3) |
Bacterial pathogen alone | 4 (5.2) |
Viral-bacterial co-infection | 4 (5.2) |
P. jirovecii | 3 (3.9) |
Viral agents: | |
 Influenza A | 18 (23.4) |
 Rhinovirus | 18 (23.4) |
 Adenovirus | 6 (7.8) |
 Enterovirus | 4 (5.3) |
 Parainfluenza | 3 (3.9) |
 Respiratory Syncytial Virus | 2 (2.6) |
 Parechovirus | 2 (2.6) |
 Human Metapneumovirus | 1 (1.3) |
Bacterial agents: | |
 Blood culture (n = 60) | |
  E. coli | 1 (1.3) |
  S. Typhi | 1 (1.3) |
  S. pneumoniae | 2 (2.6) |
 Bronchial wash culture (n = 7) | |
  M. tuberculosis | 1 (1.3) |
  K. pneumoniae | 1 (1.3) |
 Sputum (n = 39) | |
  M. tuberculosis | 1 (1.3) |
  S. pneumoniae | 1 (1.3) |