Navigating the shifting sands of filtering facepiece respirator provision during the COVID-19 pandemic: a system response for maximising staff safety.

Introduction: Personal protective equipment is essential to protect health workers and patients and to ensure confidence when dealing with aerosolised disease transmission. We describe the process for ensuring adequate filtering facepiece respirator (FFR) qualitative fit testing at a local level during the COVID-19 pandemic.

Methods: Cascaded training is described, which allowed rapid spreading of the testing process, with supervision allowing quality assurance throughout.