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. 2022 Mar 8;88(5):e01740-21. doi: 10.1128/aem.01740-21

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FIG 4 — Timeline of events during the GeneXpert wastewater surveillance pilot in Yellowknife, Canada. (A) Map showing locations of Yellowknife (green) and PHAC-NML laboratory in Winnipeg (blue). (B) Two main lift stations (no. 5 and no. 6) in Yellowknife and their corresponding catchments covering >85% of the Yellowknife population. (C) Timeline of events leading to the identification of a SARS-CoV-2 outbreak in Yellowknife. Timing of wastewater test results and public health actions in Yellowknife are shown in green, sample collection and transport events are shown in red, and at PHAC-NML testing is shown in blue.