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Conditions leading to impaired immune function and resulting in increased risk of pneumonia
| Congenital | Acquired | |
|---|---|---|
| Innate | Primary ciliary dyskinesia Complement deficiency Leukocyte adhesion deficiency |
Bronchiectasis Secondary ciliary dyskinesia |
| Adaptive | Immunoglobulin deficiency Severe combined immunodeficiency |
Retrovirus infection (eg, FIV, FeLV) Endocrine or metabolic disease (eg, DM or HAC) Chemotherapy and other immunosuppressive therapy Splenectomy |
