Both sexes, aged 18 - 70 years old, hospitalized patients, radiological diagnosis of viral pneumonia, virological diagnosis of SARS-CoV-2 infection by PCR, with noninvasive ventilatory support, PaO2 / FIO2 ratio between 200 and 300, C-reactive protein and ferritin above the reference value considered normal, use of corticosteroids in the dose recommended by the literature (CoDex or Recovery Protocols)

Both sexes, aged 18 - 70 years old, hospitalized patients, radiological diagnosis of viral pneumonia, virological diagnosis of SARS-CoV-2 infection by PCR, with noninvasive ventilatory support, PaO2 / FIO2 ratio between 200 and 300, C-reactive protein and ferritin above the reference value considered normal, use of corticosteroids in the dose recommended by the literature (CoDex or Recovery Protocols)