https://www.canada.ca/fr/sante-publique/services/rapports-publications/releve-maladies-transmissibles-canada-rmtc/numero-mensuel/2023-49/numero-5-mai-2023/surveillance-epidemiologique-eaux-usees-sras-cov-2-covid-19.html 2023 Canada journal article association Epidemiology Applications canada Applications epidemiological monitoring Epidemiology Wastewater-Based Epidemiological Monitoring public health practice Wastewaters Practice attention Epidemiology Applications wastewater Wastewater Public health Epidemiology Severe acute respiratory syndrome-related coronavirus Epidemiology