Monitoring occurrence of SARS-CoV-2 in school populations: A wastewater-based approach. - Castro-Gutierrez, Victor; Hassard, Francis; Vu, Milan; Leitao, Rodrigo; Burczynska, Beata; Wildeboer, Dirk; Stanton, Isobel; Rahimzadeh, Shadi; Baio, Gianluca; Garelick, Hemda; Hofman, Jan; Kasprzyk-Hordern, Barbara; et al. (PLoS ONE, 2022)