Household Transmission of SARS-CoV-2: A Prospective Longitudinal Study Showing Higher Viral Load and Increased Transmissibility of the Alpha Variant Compared to Previous Strains oleh Cathinka Halle Julin, Anna Hayman Robertson, Olav Hungnes, Gro Tunheim, Terese Bekkevold, Ida Laake, Idunn Forland Aune, Marit Fodnes Killengreen, Torunn Ramsem Strand, Rikard Rykkvin, Dagny Haug Dorenberg, Kathrine Stene-Johansen, Einar Sverre Berg, Johanna Eva Bodin, Fredrik Oftung, Anneke Steens, Lisbeth Meyer Næss