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.
| Chronic bronchitis |
| Persistent mucus production |
| Presence of bacterial colonization |
| Microbioma imbalances |
| Increased airway inflammation |
| Impaired host immunity |
| Structural damage |
COPD: chronic obstructive pulmonary disease.
