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Schematic of sampling points in study area. CM = community wastewater; HP_A, HP_B = wastewater from two different hospitals; INF = wastewater treatment plant (WWTP) influent; EFF = WWTP effluent; RAS = recycled activated sludge; RU= upstream river water column; SRU = upstream river sediment; RD = downstream river water column; and SRD = downstream river sediment. Adapted from Quintela-Baluja et al. (2019).
