Inferring transmission fitness advantage of SARS-CoV-2 variants of concern from wastewater samples using digital PCR, Switzerland, December 2020 through March 2021. - Caduff L; Dreifuss D; Schindler T; Devaux AJ; Ganesanandamoorthy P; Kull A; Stachler E; Fernandez-Cassi X; Beerenwinkel N; Kohn T; Ort C; Julian TR (Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2022)