Inclusion criteria
All the following criteria must be fulfilled:
Ѵ Aged 18 years or above AND
Ѵ Confirmed SARS-CoV-2 (COVID-19 (requiring hospitalisation AND
Ѵ Use of one of the following:
- Invasive mechanical ventilation OR
- Non-invasive ventilation or continuous use of continuous positive airway pressure (CPAP) for hypoxia OR
- Oxygen supplementation with an oxygen flow of at least 10 L/min independent of delivery system