ArticleEmerging infectious diseases2023
Omicron COVID-19 Case Estimates Based on Previous SARS-CoV-2 Wastewater Load, Regional Municipality of Peel, Ontario, Canada.
Article in Emerging infectious diseases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Wastewater-Based Surveillance of SARS-CoV-2 for Early Warning of COVID-19 Infection Dynamics.Viruses · 2026Article
- Sulfated chitosan mitigates acute lung injury induced bone loss via immunoregulation.Bone research · 2026Article
- SARS-CoV-2 wastewater surveillance in a central Chinese metropolis: variant responses and correlation with clinical cases.Frontiers in public health · 2026Article
- Association between SARS-CoV-2 levels in urban wastewater and reported COVID-19 cases in Changsha, Central China.BMC infectious diseases · 2025Article
- Application of joinpoint regression to SARS-CoV-2 wastewater-based epidemiology in Las Vegas, Nevada, USA.Epidemiology and infection · 2025Article
- Association between SARS-CoV-2 in wastewater and COVID-19 hospitalizations in three countries, 2022-2024.Frontiers in public health · 2025Article
- Public health actions in response to pathogen detection in wastewater and the environment: a scoping review.Frontiers in public health · 2025Article
- COVID-19 knowledge, attitude, and practice in combating TB and COVID-19 in Cameroon.Journal of public health in Africa · 2025Article
- Article
- COVID-19 and Mortality in the Spinal Cord Injury Population: Examining the Impact of Sex, Mental Health, and Injury Etiology.Healthcare (Basel, Switzerland) · 2024Article
- Estimating the COVID-19 prevalence from wastewater.Scientific reports · 2024Article
- Innovations in public health surveillance: An overview of novel use of data and analytic methods.Canada communicable disease report = Releve des maladies transmissibles au Canada · 2024Article
- Assessment of seasonality and normalization techniques for wastewater-based surveillance in Ontario, Canada.Frontiers in public health · 2023Article
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16 authors.
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Abstract
We determined correlations between SARS-CoV-2 load in untreated water and COVID-19 cases and patient hospitalizations before the Omicron variant (September 2020-November 2021) at 2 wastewater treatment plants in the Regional Municipality of Peel, Ontario, Canada. Using pre-Omicron correlations, we estimated incident COVID-19 cases during Omicron outbreaks (November 2021-June 2022). The strongest correlation between wastewater SARS-CoV-2 load and COVID-19 cases occurred 1 day after sampling (r = 0.911). The strongest correlation between wastewater load and COVID-19 patient hospitalizations occurred 4 days after sampling (r = 0.819). At the peak of the Omicron BA.2 outbreak in April 2022, reported COVID-19 cases were underestimated 19-fold because of changes in clinical testing. Wastewater data provided information for local decision-making and are a useful component of COVID-19 surveillance systems.
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