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The researchers said they predominantly found evidence of the R346T sublineage of the Omicron COVID-19 variant in their samples.
Source: https://saskatoon.ctvnews.ca/saskatoon-covid-19-wastewater-data-shows-slight-increase-1.6261888
Virologists and epidemiologists have learned that this Omicron sublineage has features that give it the potential to drive a new surge of Covid-19 cases in the US.
Source: https://kuenselonline.com/xbb-1-5-is-feared-to-cause-a-massive-surge-globally/