Figure 2

Plot displaying the QA/QC criterion fulfillment, the Z-score, and the proportion of mutations in wastewater across a period of April 1, 2022, to January 31, 2023, in wastewater of Ottawa. The regression curves are Loess regression curve except for S:L452 and S:L452Q for which Spline regression curves are drawn. The frequency estimates are based on AS-RT-qPCR assays.