Outbreak caused by the SARS-CoV-2 Omicron variant in Norway, November to December 2021.
Euro Surveill. 2021 Dec;26(50):2101147. doi: 10.2807/1560-7917.ES.2021.26.50.2101147.
Euro Surveill. 2021.
PMID: 34915975
Free PMC article.