Inclusion Criteria:  signed informed consent age: 18-90 years positive quantitative Polymerase Chain Reaction test on SARS-CoV-2 infection negative pregnancy test in women any severity of pneumonia (computer tomography scans)  Non-inclusion Criteria:  documented refusal to participate in the study treatment with a serotonergic drug connection to artificial lung ventilation with or without sedation history of G-6-Phosphatase deficiency pregnancy and breastfeeding medical records of cirrhosis active chronic hepatitis  Exclusion Criteria:  myocardial infarction, developed after the patient was included in the study, but before the intervention bleeding, developed after the patient was included in the study, but before the intervention connection to artificial lung ventilation developed after the patient was included in the study, but before the intervention