Be between 18 and 80 years old, weight between 50 and 100 kg, maximum of 10 days of symptoms, admission to the intensive care unit or COVID-19 unit with suspected COVID-19 pneumonia and 93% less oxygen saturation in room air, but not receiving mechanical ventilation, diagnosis of COVID-19 infection based on a viral polymerase chain reaction test, rapid test or based on symptoms associated with a consistent lung tomography, be able to provide a free consent form or have the free consent form provided by a legally designated representative.

Be between 18 and 80 years old, weight between 50 and 100 kg, maximum of 10 days of symptoms, admission to the intensive care unit or COVID-19 unit with suspected COVID-19 pneumonia and 93% less oxygen saturation in room air, but not receiving mechanical ventilation, diagnosis of COVID-19 infection based on a viral polymerase chain reaction test, rapid test or based on symptoms associated with a consistent lung tomography, be able to provide a free consent form or have the free consent form provided by a legally designated representative.