inclusion criteria: 1. over 18 years of age 2. inpatient 3. diagnosis of sars-cov-2 infection confirmed by reverse transcriptase polymerase chain reaction (rt-pcr) or antigen 4. they present evidence in computerized axial tomography (ct) of pulmonary involvement attributed to the infection by covid. patients in whom ct scans are not performed must have suspected pulmonary involvement by clinical examination with simple compatible or suggestive radiology. 5. requires supplementary oxygen due to basal saturation ≤ 93% (with ambient o2, 21%)

inclusion criteria: 1. over 18 years of age 2. inpatient 3. diagnosis of sars-cov-2 infection confirmed by reverse transcriptase polymerase chain reaction (rt-pcr) or antigen 4. they present evidence in computerized axial tomography (ct) of pulmonary involvement attributed to the infection by covid. patients in whom ct scans are not performed must have suspected pulmonary involvement by clinical examination with simple compatible or suggestive radiology. 5. requires supplementary oxygen due to basal saturation ≤ 93% (with ambient o2, 21%)

inclusion criteria: over 18 years of age inpatient diagnosis of sars-cov-2 infection confirmed by reverse transcriptase polymerase chain reaction (rt-pcr) or antigen they present evidence in computerized axial tomography (ct) of pulmonary involvement attributed to the infection by covid. patients in whom ct scans are not performed must have suspected pulmonary involvement by clinical examination with simple compatible or suggestive radiology. requires supplementary oxygen due to basal saturation ≤ 93% (with ambient o2, 21%)

inclusion criteria: over 18 years of age inpatient diagnosis of sars-cov-2 infection confirmed by reverse transcriptase polymerase chain reaction (rt-pcr) or antigen they present evidence in computerized axial tomography (ct) of pulmonary involvement attributed to the infection by covid. patients in whom ct scans are not performed must have suspected pulmonary involvement by clinical examination with simple compatible or suggestive radiology. requires supplementary oxygen due to basal saturation ≤ 93% (with ambient o2, 21%)

inclusion criteria: 1. over 18 years of age 2. inpatient 3. diagnosis of sars-cov-2 infection confirmed by reverse transcriptase polymerase chain reaction (rt-pcr) or antigen 4. they present evidence in computerized axial tomography (ct) of pulmonary involvement attributed to the infection by covid. patients in whom ct scans are not performed must have suspected pulmonary involvement by clinical examination with simple compatible or suggestive radiology. 5. requires supplementary oxygen due to basal saturation ≤ 93% (with ambient o2, 21%)

inclusion criteria: 1. over 18 years of age 2. inpatient 3. diagnosis of sars-cov-2 infection confirmed by reverse transcriptase polymerase chain reaction (rt-pcr) or antigen 4. they present evidence in computerized axial tomography (ct) of pulmonary involvement attributed to the infection by covid. patients in whom ct scans are not performed must have suspected pulmonary involvement by clinical examination with simple compatible or suggestive radiology. 5. requires supplementary oxygen due to basal saturation ≤ 93% (with ambient o2, 21%)