• Breakthrough infections with the omicron and delta variants of SARS-CoV-2 result in similar re-activation of vaccine-induced immunity 

      Søraas, Arne Vasli; Grødeland, Gunnveig; Granerud, Beathe Kiland; Ueland, Thor; Lind, Andreas; Fevang, Børre; Murphy, Sarah Louise Mikalsen; Huse, Camilla; Nygaard, Anders Benteson; Steffensen, Anne Katrine; Al-Baldawi, Huda; Holberg-Petersen, Mona; Andresen, Lise Lima; Ågnes, Camilla; Ranheim, Trine; Schanke, Ylva; Istre, Mette Stausland; Dahl, John Arne; Chopra, Adity; Dudman, Susanne; Kaarbø, Mari; Andersen, Jan Terje; Vaage, Eline Benno; Tran, Trung The; Vaage, John Torgils; Michelsen, Annika Elisabet; Müller, Fredrik; Aukrust, Pål; Halvorsen, Bente Evy; Dahl, Tuva Børresdatter; Holter, Jan Cato; Lund-Johansen, Fridtjof (Peer reviewed; Journal article, 2022)
      Background: Results showing that sera from double vaccinated individuals have minimal neutralizing activity against Omicron have been interpreted as indicating the need for a third vaccine dose for protection. However, ...