Posibleng Mga Sanhi para sa Pneumococcal Pneumonia Pulmonya na sanhi ng Bakterya Upper Respiratory Infection Trangkaso Chronic Alcoholism Hika Chronic na Obstructive Pulmonary Disease Diabetes Mellitus Atelectasis Congestive Heart Failure Chronic Kidney Insufficiency Malalang Renal Failure Non-Hodgkin Lymphoma Chronic na Bronchitis Parkinson's Disease Pulmonary Infarction Bronchogenic Carcinoma Coma Atypical na Pulmonya Agranulocytosis Multiple Myeloma Systemic Lupus Erythematosus Granulomatosis na may Polyangiitis Chronic na Lymphocytic Leukemia Nephrotic Syndrome Malalang Myelocytic Leukemia Sakit sa Puso Paraplegia Sickle Cell Disease Waldenstrom Macroglobulinemia Mitral Valve Stenosis