23 December 2020 This document summarizes WHO recommendations for the rational use of personal protective equipment (PPE) in health care settings and temporary strategies during acute supply shortages. This document also contains 2 Annex sections describing updated PPE use recommendations for health workers based on the transmission scenario, setting, and activity in the context of COVID-19 (Annex 1), and updated considerations for the decontamination or reprocessing of PPE (Annex 2). This guidance is intended for public health authorities, organizations, and focal persons involved in decisions regarding PPE distribution, management, and use by health workers. Available in Arabic, French, English, Spanish and Russian