Contraindications to the drug tested • Patients who require breathing apparatus (eg invasive ventilation, invasive mechanical ventilation, oxygenation of the extra-corporeal membrane) • Patients who participated in other clinical trials related to COVID-19 • Patients who received medication directly treating COVID-19 24 hours before the start of the study.

Contraindications to the drug tested • Patients who require breathing apparatus (eg invasive ventilation, invasive mechanical ventilation, oxygenation of the extra-corporeal membrane) • Patients who participated in other clinical trials related to COVID-19 • Patients who received medication directly treating COVID-19 24 hours before the start of the study.