Keywords: تعامل میزبان-پاتوژن; ARDS; Acute respiratory distress syndrome; TRALI; Transfusion-related acute lung injury; IPF; Idiopathic pulmonary fibrosis; CF; Cystic fibrosis; COPD; Chronic obstructive pulmonary disease; PAP; Pulmonary alveolar proteinosis BAL Bronchoalveolar lavage;