Percentage of Participants who die or require non-invasive ventilation / high-flow oxygen or invasive mechanical ventilation (including extracorporeal membrane oxygenation (ECMO)) measured in the time frame from Day 0 to week 4

Percentage of Participants who die or require non-invasive ventilation / high-flow oxygen or invasive mechanical ventilation (including extracorporeal membrane oxygenation (ECMO)) measured in the time frame from Day 0 to week 4