a) Aged at least 18 years <br/ >b) Hospitalised <br/ >c) Confirmed SARS-CoV-2 infection by nucleic acid based testing (RT-PCR, CB-NAAT, or TrueNAT) or antigen testing <br/ >d) Moderate and severe COVID-19 pneumonia (SpO2 <94%) <br/ >e) Decreasing supplemental oxygen requirements (Nasal prongs â?¤6 L/min) <br/ >f) Hemodynamically stable <br/ >g) Cooperative <br/ >h) No medical history that might, in the opinion of the attending clinician, put the patient at significant risk if he/she were to participate in the trial <br/ >

a) Aged at least 18 years <br/ >b) Hospitalised <br/ >c) Confirmed SARS-CoV-2 infection by nucleic acid based testing (RT-PCR, CB-NAAT, or TrueNAT) or antigen testing <br/ >d) Moderate and severe COVID-19 pneumonia (SpO2 <94%) <br/ >e) Decreasing supplemental oxygen requirements (Nasal prongs â?¤6 L/min) <br/ >f) Hemodynamically stable <br/ >g) Cooperative <br/ >h) No medical history that might, in the opinion of the attending clinician, put the patient at significant risk if he/she were to participate in the trial <br/ >

a) Aged at least 18 years <br/ >b) Hospitalised <br/ >c) Confirmed SARS-CoV-2 infection by nucleic acid based testing (RT-PCR, CB-NAAT, or TrueNAT) or antigen testing <br/ >d) Moderate and severe COVID-19 pneumonia (SpO2 <94%) <br/ >e) Decreasing supplemental oxygen requirements (Nasal prongs â?¤6 L/min) <br/ >f) Hemodynamically stable <br/ >g) Cooperative <br/ >h) No medical history that might, in the opinion of the attending clinician, put the patient at significant risk if he/she were to participate in the trial <br/ >

a) Aged at least 18 years <br/ >b) Hospitalised <br/ >c) Confirmed SARS-CoV-2 infection by nucleic acid based testing (RT-PCR, CB-NAAT, or TrueNAT) or antigen testing <br/ >d) Moderate and severe COVID-19 pneumonia (SpO2 <94%) <br/ >e) Decreasing supplemental oxygen requirements (Nasal prongs â?¤6 L/min) <br/ >f) Hemodynamically stable <br/ >g) Cooperative <br/ >h) No medical history that might, in the opinion of the attending clinician, put the patient at significant risk if he/she were to participate in the trial <br/ >