[Analysis of the Adjustment of Self-Filtering Masks in Combination with Surgical Masks for the Protection of Health Professionals in the Care of Patients Affected by SARS-COV-2 from an Experimental Study].

Introduction: Frontline healthcare workers have a high risk of exposure to SARS-CoV-2 coronavirus, which causes COVID-19. The use of appropriate personal protective equipment (PPE) is essential to prevent this occupational disease. Surgical masks and filtering face piece (FFP) respirators are important parts of this PPE.