What is the most adequate non-invasive oxygen support for acute hypoxaemic respiratory failure due to COVID-19?

Noninvasive Respiratory Devices in COVID-19

“…The use of noninvasive ventilation (NIV) was quite restricted during the initial period. 2 Many reports, especially from China, had encouraged early invasive mechanical ventilation (IMV) to NIV. In COVID-19 patients, NIV has been considered to have significant disadvantage of dispersion of viral droplets and spread of disease.…”

“…In COVID-19 patients, NIV has been considered to have significant disadvantage of dispersion of viral droplets and spread of disease. 2 , 3…”

“… 4 Third, there was an increase in nosocomial infections secondary to combination of prolonged ventilatory needs and immunosuppressive nature of the drugs used for the disease (like IL 6 inhibitors, steroids, etc.). 2 …”