Prion, Viral, Bacterial and Fungal Pathogens of Humans [VV210]; Pharmacology [VV730]; corticoids; viral diseases; coronavirus disease 2019; human diseases; patients; drug therapy; man; Severe acute respiratory syndrome coronavirus 2; Homo; Hominidae; primates; mammals; vertebrates; Chordata; animals; eukaryotes; Severe acute respiratory syndrome-related coronavirus; Betacoronavirus; Coronavirinae; Coronaviridae; Nidovirales; positive-sense ssRNA Viruses; ssRNA Viruses; RNA Viruses; viruses; corticosteroids; SARS-CoV-2; viral infections; chemotherapy