inclusion criteria: 1. informed consent signed 2. patients hospitalized with confirmed swab rt-pcr detection of sars-cov-2 3. x-ray and/or ct diagnosed pneumonia 4. age \>=18 years 5. clinical status defined as 3, 4 or 5 on the 7-point ordinal scale

inclusion criteria: 1. informed consent signed 2. patients hospitalized with confirmed swab rt-pcr detection of sars-cov-2 3. x-ray and/or ct diagnosed pneumonia 4. age \>=18 years 5. clinical status defined as 3, 4 or 5 on the 7-point ordinal scale

inclusion criteria: informed consent signed patients hospitalized with confirmed swab rt-pcr detection of sars-cov-2 x-ray and/or ct diagnosed pneumonia age >=18 years clinical status defined as 3, 4 or 5 on the 7-point ordinal scale

inclusion criteria: informed consent signed patients hospitalized with confirmed swab rt-pcr detection of sars-cov-2 x-ray and/or ct diagnosed pneumonia age >=18 years clinical status defined as 3, 4 or 5 on the 7-point ordinal scale

inclusion criteria: 1. informed consent signed 2. patients hospitalized with confirmed swab rt-pcr detection of sars-cov-2 3. x-ray and/or ct diagnosed pneumonia 4. age >=18 years 5. clinical status defined as 3, 4 or 5 on the 7-point ordinal scale

inclusion criteria: 1. informed consent signed 2. patients hospitalized with confirmed swab rt-pcr detection of sars-cov-2 3. x-ray and/or ct diagnosed pneumonia 4. age >=18 years 5. clinical status defined as 3, 4 or 5 on the 7-point ordinal scale