Optimal sampling frequency and site selection for wastewater and environmental surveillance of infectious pathogens: A value of information assessment. - Isabella Impalli; Erik Bergland; Chadi M. Saad-Roy; Bryan T. Grenfell; Simon A. Levin; D. G. Joakim Larsson; Ramanan Laxminarayan (PLoS Comput. Biol., 2025)