Public Health Survey: Supply and Demand of PPE in Critical Sectors Tuesday April 28, 2020 | COVID-19, Infrastructure, Operations & Safety In an effort to better understand the Personal Protective Equipment (PPE) needs of critical infrastructure partners, Public Safety Canada is launching a second survey (FR) to capture more in-depth data with respect to supply and demand regarding Personal Protective Equipment (PPE), including sanitization products and COVID-19 testing kits