inclusion criteria: 1. age 18 or above 2. proven covid-19 viral infection. non-confirmed highly suspicious suspects may be enrolled. 3. presence of radiographic findings compatible with pneumonia/pneumonitis. 4. patients requiring at least 3 l/m oxygen via nasal canula to maintain o2 above 92%. 5. female subjects of childbearing potential must have a negative pre-treatment pregnancy test (serum or urine). 6. willing and able to comply with treatment schedule and study procedures.

inclusion criteria: 1. age 18 or above 2. proven covid-19 viral infection. non-confirmed highly suspicious suspects may be enrolled. 3. presence of radiographic findings compatible with pneumonia/pneumonitis. 4. patients requiring at least 3 l/m oxygen via nasal canula to maintain o2 above 92%. 5. female subjects of childbearing potential must have a negative pre-treatment pregnancy test (serum or urine). 6. willing and able to comply with treatment schedule and study procedures.

inclusion criteria: age 18 or above proven covid-19 viral infection. non-confirmed highly suspicious suspects may be enrolled. presence of radiographic findings compatible with pneumonia/pneumonitis. patients requiring at least 3 l/m oxygen via nasal canula to maintain o2 above 92%. female subjects of childbearing potential must have a negative pre-treatment pregnancy test (serum or urine). willing and able to comply with treatment schedule and study procedures.

inclusion criteria: age 18 or above proven covid-19 viral infection. non-confirmed highly suspicious suspects may be enrolled. presence of radiographic findings compatible with pneumonia/pneumonitis. patients requiring at least 3 l/m oxygen via nasal canula to maintain o2 above 92%. female subjects of childbearing potential must have a negative pre-treatment pregnancy test (serum or urine). willing and able to comply with treatment schedule and study procedures.

inclusion criteria: 1. age 18 or above 2. proven covid-19 viral infection. non-confirmed highly suspicious suspects may be enrolled. 3. presence of radiographic findings compatible with pneumonia/pneumonitis. 4. patients requiring at least 3 l/m oxygen via nasal canula to maintain o2 above 92%. 5. female subjects of childbearing potential must have a negative pre-treatment pregnancy test (serum or urine). 6. willing and able to comply with treatment schedule and study procedures.

inclusion criteria: 1. age 18 or above 2. proven covid-19 viral infection. non-confirmed highly suspicious suspects may be enrolled. 3. presence of radiographic findings compatible with pneumonia/pneumonitis. 4. patients requiring at least 3 l/m oxygen via nasal canula to maintain o2 above 92%. 5. female subjects of childbearing potential must have a negative pre-treatment pregnancy test (serum or urine). 6. willing and able to comply with treatment schedule and study procedures.