Participatory, Virologic, and Wastewater Surveillance Data to Assess Underestimation of COVID-19 Incidence, Germany, 2020–2024 oleh Anna Loenenbach, Ann-Sophie Lehfeld, Peter Puetz, Barbara Biere, Susan Abunijela, Silke Buda, Michaela Diercke, Ralf Dürrwald, Timo Greiner, Walter Haas, Maria Helmrich, Kerstin Prahm, Jakob Schumacher, Marianne Wedde, Udo Buchholz