ceftazidime; dexamethasone; endogenous compound; furosemide; interleukin 13; interleukin 4; interleukin 5; levofloxacin; oxygen; prednisone; remdesivir; tocilizumab; vancomycin; adverse drug reaction; aged; bacteremia; bodily secretions; bronchiectasis; bronchoscopy; bronchus; bronchus secretion; case report; clinical article; complication; conference abstract; coronavirus disease 2019; deterioration; differential diagnosis; drug combination; drug therapy; dyspnea; emphysema; eosinophil; eosinophilia; fibrosis; fungus; ground glass opacity; high flow nasal cannula therapy; hospitalization; human; human cell; inflammation; intravenous drug administration; Loeffler pneumonia; lung biopsy; lung lavage; male; methicillin resistant Staphylococcus aureus; methicillin resistant Staphylococcus aureus infection; nasal cannula; nonhuman; organizing pneumonia; oxygenation; pleura effusion; pneumonia; psoriasis; respiratory distress; rheumatoid arthritis; side effect; smoking; superinfection; Th2 cell; thorax; X ray film