Could a defect in host-immunity be the cause of respiratory infections?
D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications; D000368:Aged; D002648:Child; D002923:Cilia / Q000502:physiology; D003550:Cystic Fibrosis / Q000150:complications; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications; D008297:Male; D009093:Mucus / Q000502:physiology; D010587:Phagocytosis; D012137:Respiratory System / Q000503:physiopathology; D012141:Respiratory Tract Infections / Q000209:etiology / Q000276:immunology*; D013577:Syndrome