Determinants and spatio-temporal structure of variability in wastewater SARS-CoV-2 viral load measurements in Switzerland: Key insights for future surveillance efforts. - Riou, Julien; Fesser, Anna; Wagner, Moritz; Schneider, Katrin; Güdel-Krempaska, Natália; Ort, Christoph; Julian, Timothy R.; Stadler, Tanja; Munday, James D. (PLoS Water, 2025)