Virus are thought to be the most common<unk> of acute bronchitis.  Influenza A and B, parainfluenza, respiratory syncytial virus, coronavirus are the most commonly involved pathogens. Bacteria, such as mycoplasma, chlamydiae and bordetella pertussis, are also found to<unk> acute bronchitis. Smoking, occupational exposures, air pollutants, and genetic factors are etiologies of chronic bronchitis.
Bronchitis causes
Bronchiolitis causes
Bronchiectasis causes
Tracheitis causes
Aspiration pneumonia causes
Acute bronchitis causes
Air embolism causes
Airway obstruction causes