laboratory test confirming infection by SARS-CoV-2 (positive serologic test IgM or rt-PCR), hospitalized with a clinical, epidemiological and radiological picture compatible with COVID-19, over 18 years old, present a severe form of the disease characterized by one of the following clinical signs: dyspnea, tachypnea (more than 30 irpm), peripheral oxygen saturation less than 93% (pulse oximeter evaluation), PaO2 / FiO2 ratio less than 300, or infiltrate pulmonary more than 50% of the parenchyma seen on chest tomography or chest radiography

laboratory test confirming infection by SARS-CoV-2 (positive serologic test IgM or rt-PCR), hospitalized with a clinical, epidemiological and radiological picture compatible with COVID-19, over 18 years old, present a severe form of the disease characterized by one of the following clinical signs: dyspnea, tachypnea (more than 30 irpm), peripheral oxygen saturation less than 93% (pulse oximeter evaluation), PaO2 / FiO2 ratio less than 300, or infiltrate pulmonary more than 50% of the parenchyma seen on chest tomography or chest radiography