Common risk factors in the development of<unk>  include cystic fibrosis, primary ciliary dyskinesia, exposure to chemical irritants, connective tissue disease, immunodeficiencies, allergic bronchopulmonary aspergillosis (ABPA),  and history of childhood infections such as pneumonia, tuberculosis, measles, whooping cough, adenovirus, and Mycoplasma pneumoniae.
Bronchiectasis risk factors
Bronchitis risk factors
Chronic bronchitis risk factors
Acute bronchitis risk factors
Bronchiolitis risk factors
Pneumoconiosis risk factors
Hypersensitivity pneumonitis risk factors
Idiopathic pulmonary fibrosis risk factors