COVID-19 decreased in Prince Albert according to wastewater report

Graphic courtesy HFCM Communicatie, via Wikimedia This is a representation of what the Covid-19 virus would look like under a powerful microscope.

The USask Global Institute for Water Security wastewater survey for Prince Albert shows that the COVID-19 viral RNA load in Prince Albert’s has decreased by 72.4 per cent.

This is the first decrease in a month for wastewater reports.

The number is based on averages of three individual daily measurements in this reporting period up to Feb. 5 which are then compared to the weekly average of the previous week.

This week’s viral load of approximately 40,000 gene copies / 100 mL SARS-CoV-2 is the 55th highest value observed during the pandemic.

This concentration of viral particles is considered “low” because it is lower than 50,000 gene copies /100 mL, and it is within the range considered as the low level in Prince Albert.

This week’s viral RNA load indicates that the SARS-CoV-2 infections in Prince Albert are reducing.

The proportions of SARS-CoV-2 RNA load in Prince Albert’s wastewater by variant were: BA.5: 10.4 per cent, BA.5.1:0.0 per cent, BA.2.75: 0.2 per cent, BA.4: 0.0 per cent, R346T: 74.4 per cent,Other Omicron: 14.6 per cent and non-Omicron lineages: 0.0 per cent.

Whole genome sequencing confirmed the presence of BQ.1, BQ.1.18, and BE.1.1 in earlier samples.

USask and Global Water Futures researchers are using wastewater-based epidemiology to monitor for SARS-CoV-2 (the virus causing COVID-19) in Saskatoon, Prince Albert and North Battleford wastewater, providing early warning of infection outbreaks. This work is being done in partnership with the Saskatchewan Health Authority, Public Health Agency of Canada, City of Saskatoon, City of Prince Albert and City of North Battleford.

This variant tracking data should be seen merely as an indicator of trends which need to be verified using sequencing technology through the Public Health Agency of Canada. Because individuals are at varying stages of infection when shedding the virus, the variant levels detected in sewage are not necessarily directly comparable to the proportion of variant cases found in individual swab samples confirmed through provincial genetic sequencing efforts.

editorial@paherald.sk.ca

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