Impact of the Alpha VOC on disease severity in SARS-CoV-2-positive adults in Sweden. Issue 1 (January 2022) - Strålin, Kristoffer; Bruce, Daniel; Wahlström, Erik; Walther, Sten; Carnahan, Moa Rehn, AnnaSara; Andersson, Emmi; Bark, Anna M Bennet; Hanberger, Håkan