Influent, as opposed to activated sludge, is more suitable for SARS-CoV-2 surveillance in wastewater treatment plants
Water Research, Volume 273, 1 April 2025, 123038. Zhou-Hua Cheng, Ji Li, Hui Zhang, Dong-Feng Liu, Han-Qing Yu https://www.sciencedirect.com/science/article/pii/S0043135424019389