ACE2 and Middle East respiratory syndrome: = Angiotensin-converting enzyme 2= Angiotensin receptor blockers= Acute respiratory distress syndrome= Acute respiratory infection= Creatine kinase= Coronavirus disease= C-reactive protein= Static compliance= Extracorporeal membrane oxygenation= End-tidal carbon dioxide/arterial carbon dioxide - dead space ratio= High-efficiency particulate air= Invasive mechanical ventilation= Lung-protective ventilatory strategy= Middle East Respiratory Syndrome= Neutralizing antibodies