inclusion criteria: informed consent from patient or legal representative. male or female, aged ≥ 18 years; laboratory confirmation of 2019-ncov infection by reverse-transcription polymerase chain reaction (rt-pcr) from any diagnostic sampling source; hospitalized for up to 48h with signs of respiratory failure with or without non-invasive ventilation and i. oxygen saturation <98%; 7. negative result for pregnancy test (if applicable).

inclusion criteria: informed consent from patient or legal representative. male or female, aged ≥ 18 years; laboratory confirmation of 2019-ncov infection by reverse-transcription polymerase chain reaction (rt-pcr) from any diagnostic sampling source; hospitalized for up to 48h with signs of respiratory failure with or without non-invasive ventilation and i. oxygen saturation <98%; 7. negative result for pregnancy test (if applicable).

inclusion criteria: 1. informed consent from patient or legal representative. 2. male or female, aged ≥ 18 years; 3. laboratory confirmation of 2019-ncov infection by reverse-transcription polymerase 4. chain reaction (rt-pcr) from any diagnostic sampling source; 5. hospitalized for up to 48h with signs of respiratory failure with or without non-invasive ventilation and i. oxygen saturation <98%; 7. negative result for pregnancy test (if applicable).

inclusion criteria: 1. informed consent from patient or legal representative. 2. male or female, aged ≥ 18 years; 3. laboratory confirmation of 2019-ncov infection by reverse-transcription polymerase 4. chain reaction (rt-pcr) from any diagnostic sampling source; 5. hospitalized for up to 48h with signs of respiratory failure with or without non-invasive ventilation and i. oxygen saturation <98%; 7. negative result for pregnancy test (if applicable).