There was a clear trend that the 4 out of 6 COVID-19 pandemic waves in Alberta were each associated with the rise of newly emerging VOC, except for both waves 1 and 2 predominated by SARS-CoV-2 A/B ancestral.
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Wastewater surveillance monitoring of SARS-CoV-2 variants of concern and dynamics of transmission and community burden of COVID-19.
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