Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Most common etiologies of CAP (n = 3974).
| Etiology | Patient (%) |
|---|---|
| Streptococcus pneumoniae | 1112 (28.0) |
| Mycoplasma pneumoniae | 759 (19.1) |
| Haemophilus influenzae | 428 (10.8) |
| Respiratory viruses | 261 (6.6) |
| Staphylococcus aureus | 173 (4.4) |
| Legionella species | 130 (3.3) |
| Gram-negative bacilli | 93 (2.3) |
CAP: community-acquired pneumonia.
