Vaccine effectiveness against infection with the Delta (B.1.617.2) variant, Norway, April to August 2021.
Euro Surveill. 2021 Sep;26(35):2100793. doi: 10.2807/1560-7917.ES.2021.26.35.2100793.
Euro Surveill. 2021.
PMID: 34477054
Free PMC article.