Inclusion Criteria:  Age 18 or higher Newly diagnosed (no longer than 10 days) PCR or clinically confirmed Covid-19  Exclusion Criteria:  Severe pulmonary disease Severe cardiovascular disease Severe hepatic disease Severe renal disease Diabetes mellitus type one Metabolic acidosis Oxygen saturation <70% Pregnancy Breast feeding Concomitant treatment with anticoagulation drugs Concomitant treatment with CYP3A4 medicines with narrow therapeutic window