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. 2022 Jun 23;311:119679. doi: 10.1016/j.envpol.2022.119679

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Fig. 2 — Variations in Ct value observed for the wastewater samples collected from different districts of Bangladesh during two sampling phases; A) First-round sampling (December 1–5, 2020); B) Second-round sampling (February 1–5, 2021).