inclusion criteria: * patients admitted to the hospital * laboratory-confirmed sars-cov-2 infection as determined by pcr and/or ct scan showing typical radiological findings (ground glass abnormalities) * need for o2 3l/min to get an spo2 higher or equal to 95%. * patient able to understand and to get in prone postion themself * no therapeutic limitation

inclusion criteria: * patients admitted to the hospital * laboratory-confirmed sars-cov-2 infection as determined by pcr and/or ct scan showing typical radiological findings (ground glass abnormalities) * need for o2 3l/min to get an spo2 higher or equal to 95%. * patient able to understand and to get in prone postion themself * no therapeutic limitation

inclusion criteria: - patients admitted to the hospital - laboratory-confirmed sars-cov-2 infection as determined by pcr and/or ct scan showing typical radiological findings (ground glass abnormalities) - need for o2 3l/min to get an spo2 higher or equal to 95%. - patient able to understand and to get in prone postion themself - no therapeutic limitation

inclusion criteria: - patients admitted to the hospital - laboratory-confirmed sars-cov-2 infection as determined by pcr and/or ct scan showing typical radiological findings (ground glass abnormalities) - need for o2 3l/min to get an spo2 higher or equal to 95%. - patient able to understand and to get in prone postion themself - no therapeutic limitation