Demonstrate that safety and suitability of the iZephyr Hood in patients receiving non-invasive ventilation (NIV) or high flow oxygen therapy (HFOT).~Determine the user acceptability of the iZephyr Hood in patients receiving NIV and HFOT.~Determine the reduction in aerosol spread of COVID-19 viral particles when using the Zephyr hood in patients using non-invasive ventilation or high flow oxygen.
This study is a safety assessment of the iZephyr hood a novel aerosol removal device in patients receiving non invasive ventilation for COVID-19.