The document "Priority medical devices list for the COVID-19 response and associated technical specifications" complements this guideline. This document provides interim guidance on the quality, performance characteristics and related standards of personal protective equipment (PPE) to be used in the context of COVID-19. This includes WHO Priority Medical Devices, specifically: surgical masks, non-surgical masks, gloves, googles, face shields, gowns and N95 masks. It is intended for procurement agencies, occupational health departments, infection prevention and control departments or focal points, health facility administrators, biomedical and materials engineering, PPE manufacturers and public health authorities at both national and facility levels.