National Collaborating Centre for Environmental Health
Masking During COVID-19 Pandemic
National • French, English • PPE, Medical Tips/Forms
The use of masks as a control measure to prevent the transmission of SARS-CoV-2 has raised many questions about their role and their limit of protection. This document presents the main types of masks, their degree of effectiveness for protection against pathogenic risks as well as the factors to consider for safe use.