• Clinical symptoms and markers of disease mechanisms in adolescent chronic fatigue following Epstein-Barr virus infection: An exploratory cross-sectional study 

      Kristiansen, Miriam Skjerven; Stabursvik, Julie; O'Leary, Elise Catriona; Pedersen, Maria; Asprusten, Tarjei Tørre; Leegaard, Truls Michael; Osnes, Liv T. N.; Tjade, Trygve Olav; Skovlund, Eva; Godang, Kristin; Wyller, Vegard Bruun Bratholm (Journal article; Peer reviewed, 2019)
      Introduction Acute Epstein-Barr virus (EBV) infection is a trigger of chronic fatigue (CF) and Chronic Fatigue Syndrome (CFS). The aim of this cross-sectional study was to explore clinical symptoms as well as markers of ...
    • Inflammatory markers and pulmonary function in adolescents and young adults 6 months after mild COVID-19 

      Sommen, Silke Lauren; Havdal, Lise Beier; Selvakumar, Joel Pradeepkumar; Einvik, Gunnar; Leegaard, Truls Michael; Lund-Johansen, Fridtjof; Michelsen, Annika Elisabet; Mollnes, Tom Eirik; Stiansen-Sonerud, Tonje; Tjade, Trygve Olav; Wyller, Vegard Bruun Bratholm; Lund-Berven, Lise (Peer reviewed; Journal article, 2022)
      Introduction: Both public and scientific attention have shifted from the acute COVID-19 illness to the chronic disability experienced by a proportion of COVID-19 convalescents. Post COVID-19 condition, a term used for ...
    • Inflammatory Markers, Pulmonary Function, and Clinical Symptoms in Acute COVID-19 Among Non-Hospitalized Adolescents and Young Adults 

      Berven, Lise; Selvakumar, Joel Pradeepkumar; Havdal, Lise Beier; Stiansen-Sonerud, Tonje; Einvik, Gunnar; Leegaard, Truls Michael; Tjade, Trygve Olav; Michelsen, Annika Elisabet; Mollnes, Tom Eirik; Wyller, Vegard Bruun Bratholm (Peer reviewed; Journal article, 2022)
      Summary: Mild, subacute COVID-19 in young people show inflammatory enhancement, but normal pulmonary function. Inflammatory markers are associated with age and male sex, whereas clinical symptoms are associated with age ...
    • Predictors of chronic fatigue in adolescents six months after acute Epstein-Barr virus infection: a prospective cohort study 

      Pedersen, Maria; Asprusten, Tarjei Tørre; Godang, Kristin; Leegaard, Truls Michael; Osnes, Liv T. N.; Skovlund, Eva; Tjade, Trygve Olav; Øie, Merete Glenne; Wyller, Vegard Bruun Bratholm (Journal article; Peer reviewed, 2018)
      Introduction Acute Epstein-Barr virus (EBV) infection is a trigger of chronic fatigue and Chronic Fatigue Syndrome (CFS). This study investigated baseline predictors of chronic fatigue six months after an acute EBV ...
    • Prevalence and Characteristics Associated With Post-COVID-19 Condition Among Nonhospitalized Adolescents and Young Adults 

      Selvakumar, Joel Pradeepkumar; Havdal, Lise Beier; Drevvatne, Martin Solstrand; Brodwall, Elias Myrstad; Lund-Berven, Lise; Stiansen-Sonerud, Tonje; Einvik, Gunnar; Leegaard, Truls Michael; Tjade, Trygve Olav; Michelsen, Annika Elisabet; Mollnes, Tom Eirik; Lund-Johansen, Fridtjof; Holmøy, Trygve; Zetterberg, Henrik; Blennow, Kaj; Sandler, Carolina X.; Cvejic, Erin; Lloyd, Andrew R.; Wyller, Vegard Bruun Bratholm (Peer reviewed; Journal article, 2023)
      Importance The prevalence and baseline risk factors of post–COVID-19 condition (PCC) remain unresolved among the large number of young people who experienced mild COVID-19. Objectives To determine the point prevalence ...