Breakthrough infections with the omicron and delta variants of SARS-CoV-2 result in similar re-activation of vaccine-induced immunity oleh Arne Søraas, Gunnveig Grødeland, Gunnveig Grødeland, Beathe Kiland Granerud, Beathe Kiland Granerud, Beathe Kiland Granerud, Thor Ueland, Thor Ueland, Thor Ueland, Andreas Lind, Børre Fevang, Børre Fevang, Sarah L. Murphy, Sarah L. Murphy, Camilla Huse, Camilla Huse, Anders Benteson Nygaard, Anne Katrine Steffensen, Anne Katrine Steffensen, Huda al-Baldawi, Mona Holberg-Petersen, Lise Lima Andresen, Camilla Ågnes, Trine Ranheim, Ylva Schanke, Mette Istre, John Arne Dahl, Adity Chopra, Susanne Dudman, Susanne Dudman, Mari Kaarbø, Jan Terje Andersen, Jan Terje Andersen, Eline Benno Vaage, Trung The Tran, John Torgils Vaage, John Torgils Vaage, Annika E. Michelsen, Annika E. Michelsen, Fredrik Müller, Fredrik Müller, Pål Aukrust, Pål Aukrust, Pål Aukrust, Pål Aukrust, Bente Halvorsen, Bente Halvorsen, Tuva B. Dahl, Tuva B. Dahl, Jan Cato Holter, Jan Cato Holter, Fridtjof Lund-Johansen, Fridtjof Lund-Johansen