Wastewater-based epidemiology/wastewater surveillance has been a topic of significant interest over the last year due to its application in SARS-CoV-2 surveillance to track prevalence of COVID-19 in communities. Although SARS-CoV-2 surveillance has been applied in more than 50 countries to date,...
Major maintenance and construction projects for roads, drainage networks, and wastewater facilities also occur during the summer months (City of Regina, 2021). 2. Methodology 2.1. Data collection and processing About 7.5 years of daily waste disposal records of (i) mixed waste, (ii) C&D waste,...
“You have to take into account how variable wastewater can be over the course of the day. You can imagine that there’s different inputs in the middle of the day and at the end of the day,” Prystajecky says, “and we also sample multiple times a week, recognizing that weekdays an...
The COVID-19 virus is present in the feces of people infected with it, and this can be detected in wastewater at a sewage treatment plant. The results can indicate the amount of virus in a community. Wastewater testing can not show the number, or the identity, of people who are infected...
Tam said that in the last week, case rates, the share of tests coming back positive, and wastewater surveillance are all showing “early indications” that Omicron has peaked nationally. Her comments echoed statements the day before from several provinces, including Alberta, where Premier Jaso...
Tam said that in the last week, case rates, the share of tests coming back positive, and wastewater surveillance are all showing “early indications” that Omicron has peaked nationally. Her comments echoed statements the day before from several provinces, including Alberta, where Premier ...
In addition to conventional testing, she said the Public Health Agency of Canada was developing more tools to study and detect the variants, including an advanced form of genetic sequencing to detect the virus in wastewater. Tam said the number of COVID-19 cases across the ...
COVID spike in Yellowknife wastewater “anticipated” Yellowknife hasn’t seen a rise in severe COVID-19 cases in the last three weeks despite a spike in the viral load in the city’s wastewater.Read more… Ottawa police brace for new convoy protest, ban vehicles from downtown ...
Fig. 2. Non-normalized weekly average Inf-A, NoV-GI + GII, and SARS-CoV-2 RNA concentrations in wastewater samples in five WWTPs and the corresponding weekly influenza, AGE, and COVID-19 cases in Yamanashi Prefecture. ND denotes not detected. In Table 3, a strong positive correlation of...
Waste water signals are highs in parts of Alberta, including Edmonton and Calgary, but mixed in Ontario, where it’s not clear whether levels are cresting. Still, hospitalizations haven’t been matching wastewater signals and ICU admissions haven’t spiked to the extent that they did in the ...