The direct disease burden of COVID-19 in Belgium in 2020 and 2021, De Pauw, Robby, Devleesschauwer Brecht, Willem Lander, Jurcevic Jure, Smith Pierre, Scohy Aline, Wyper Grant M. A., Pires Sara Monteiro, Van Goethem Nina, Beutels Philippe, et al. , BMC Public Health, 2023 Sep 04, Volume 23, Issue 1, (2023)