Positive PCR test The ratio below 300 mm Hg for the pressure of oxygen (Pao2) to the inspired oxygen (Fio2) Hospitalized in the internal or special ward of the hospital Severe pulmonary involvement based on CT scan Severe stage of the disease

Positive PCR test The ratio below 300 mm Hg for the pressure of oxygen (Pao2) to the inspired oxygen (Fio2) Hospitalized in the internal or special ward of the hospital Severe pulmonary involvement based on CT scan Severe stage of the disease