TY - JOUR T1 - What is the most appropriate respiratory protection against COVID-19? JF - BMJ Evidence-Based Medicine JO - BMJ EBM DO - 10.1136/bmjebm-2020-111441 SP - bmjebm-2020-111441 AU - Nicholas E Burr AU - Christopher J Black Y1 - 2020/07/14 UR - http://ebm.bmj.com/content/early/2020/07/14/bmjebm-2020-111441.abstract N2 - The world is suffering from a pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 or COVID-19), with a mortality rate of up to 4%.1 COVID-19 infection is seen at disproportionately high levels among healthcare workers.Current UK guidance regarding the use of personal protective equipment (PPE) for COVID-19 was updated in April 2020.2 For close contact (<2 metres), the recommended respiratory protection remains a fluid-resistant surgical face mask. However, for areas at higher risk of aerosols, or during aerosol generating procedures, the use of filtering face piece (FFP) mask is advised. These high-risk settings are defined as resuscitation areas within the emergency department and hospital areas using invasive or non-invasive ventilation. Notably, wards caring for non-ventilated COVID-19 positive patients are excluded, … ER -