COVID-19 mortality attenuated during widespread Omicron transmission, Denmark, 2020 to 2022 Friis, Nikolaj U and Martin-Bertelsen, Tomas and Pedersen, Rasmus K and Nielsen, Jens and Krause, Tyra G and Andreasen, Viggo and Vestergaard, Lasse S, Eurosurveillance, 28, 2200547 (2023), https://doi.org/10.2807/1560-7917.ES.2023.28.3.2200547