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A standardised protocol for relative SARS-CoV-2 variant severity assessment, applied to Omicron BA.1 and Delta in six European countries, October 2021 to February 2022.
Nyberg T, Bager P, Svalgaard IB, Bejko D, Bundle N, Evans J, Krause TG, McMenamin J, Mossong J, Mutch H, Omokanye A, Peralta-Santos A, Pinto-Leite P, Starrfelt J, Thelwall S, Veneti L, Whittaker R, Wood J, Pebody R, Presanis AM. Nyberg T, et al. Among authors: svalgaard ib. Euro Surveill. 2023 Sep;28(36):2300048. doi: 10.2807/1560-7917.ES.2023.28.36.2300048. Euro Surveill. 2023. PMID: 37676146 Free PMC article.