Annex. This document is an update of a guidance published on 12 July 2021, after the review of new scientific evidence on transmission of SARS-CoV-2 variants of concern (VOC). It contains updated recommendations on the use of masks and respirators for health workers providing care to suspected or confirmed COVID-19.
COVID-19, Vaccination, Health Workers, healthcare service, virus variants, ipc, Infection Prevention and Control (IPC), masks, respirators,