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. 2021 Aug 11;129(8):084002. doi: 10.1289/EHP9579

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Hands in gloves pouring wastewater into a funnel — Ryan Dupont, a professor of civil and environmental engineering at Utah State University, collects sewage samples from dormitories on 2 September 2020. Utah State later quarantined hundreds of students after wastewater tests detected the SARS-CoV-2 virus. Image: © AP Photo/Rick Bowmer.