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