Academic article

• Alnæs, Marie Bjørbak; Guttormsen, Anne Berit; Terreehorst, Ingrid et al. (2025). Norwegian Anaesthesiologist's Perspectives on Perioperative Allergies and Penicillin Allergy Evaluations: A National Survey. (external link)
• Glambek, Marte; Kjos, Morten; MÃ¥rli, Marita Torrissen et al. (2025). TrexAB, a novel tetracycline resistance determinant in Streptococcus dysgalactiae. (external link)
• Jordal, Stina; Midtbø, Helga Bergljot; Davidsen, Einar Skulstad et al. (2025). Exploring sex differences in infective endocarditis – a prospective, observational study from Western Norway. (external link)
• Viermyr, Hans-Kittil; Halvorsen, Bente; Sagen, Ellen Lund et al. (2024). High viral loads combined with inflammatory markers predict disease severity in hospitalized COVID-19 patients: Results from the NOR-Solidarity trial. (external link)
• Wiik, Arne Bastian; Doupe, Malcolm; Bakken, Marit Stordal et al. (2024). Areas of consensus on unwarranted and warranted transfers between nursing homes and emergency care facilities in Norway: a Delphi study. (external link)
• Iversen, Arild; Blomberg, Bjørn; Haug, Kjell et al. (2024). Symptom trajectories of post-COVID sequelae in patients with acute Delta or Omicron infection in Bergen, Norway. (external link)
• Kittang, Bård Reiakvam; Øien, Ane Tveiten; Engtrø, Einar et al. (2024). Clinical characteristics, treatment, and outcomes for elderly patients in a dedicated Covid-19 ward at a primary health care facility in western Norway: a retrospective observational study. (external link)
• Alnæs, Marie Bjørbak; Skodvin, Brita; Jahnsen, Jan Anker et al. (2024). “What if the patient has a severe reaction, and it is my fault?” A qualitative study exploring factors for sustainable implementation of penicillin allergy delabelling. (external link)
• Tölken, Lea A.; Neufend, Janine V.; Oppegaard, Oddvar et al. (2024). Streptokinase reduces Streptococcus dysgalactiae subsp. equisimilis biofilm formation. (external link)
• Kittang, Bård Reiakvam (2024). Klinikk-reaktiv pasientbehandling (KRP). (external link)
• Glambek, Marte; Skrede, Steinar; Sivertsen, Audun et al. (2024). Antimicrobial resistance patterns in Streptococcus dysgalactiae in a One Health perspective. (external link)
• Jordal, Stina; Kommedal, Øyvind; Haaverstad, Rune et al. (2024). Epidemiological and microbial trends of infective endocarditis in western Norway: a 7-year prospective observational study. (external link)
• Oppegaard, Oddvar; Glambek, Marte; Skutlaberg, Dag Harald et al. (2023). Streptococcus dysgalactiae Bloodstream Infections, Norway, 1999-2021. (external link)
• Onyango, Therese Bredholt; Zhou, Fan; Bredholt, Geir et al. (2023). SARS-CoV-2 specific immune responses in overweight and obese COVID-19 patients. (external link)
• Alnæs, Marie Bjørbak; Oppegaard, Oddvar; Kittang, Bård Reiakvam et al. (2023). A new pathway for penicillin delabeling in Norway. (external link)
• Kittang, Bård Reiakvam; Blomberg, Bjørn; Sævik, Marianne et al. (2022). SARS CoV-2 Infection among Health Care Workers from Different Health Care Facilities in Western Norway: A Prospective, Cross-Sectional Study. (external link)
• Pan, Hongchao; Peto, Richard; Karim, Quarraisha Abdool et al. (2022). Remdesivir and three other drugs for hospitalised patients with COVID-19: final results of the WHO Solidarity randomised trial and updated meta-analyses. (external link)
• Vestad, Beate; Ueland, Thor; Lerum, Tøri Vigeland et al. (2022). Respiratory dysfunction three months after severe COVID-19 is associated with gut microbiota alterations. (external link)
• Lerum, Tøri Vigeland; Maltzahn, Niklas; Aukrust, Pål et al. (2021). Persistent pulmonary pathology after COVID-19 is associated with high viral load, weak antibody response, and high levels of matrix metalloproteinase-9. (external link)
• Kåsine, Trine; Riise, Anne Margarita Dyrhol; Barratt-Due, Andreas et al. (2021). Neutrophil count predicts outcome in hospitalized COVID-19 patients. Results from the NOR-Solidarity trial. (external link)
• Fjelltveit, Elisabeth Berg; Cox, Rebecca Jane; Kittang, Bård Reiakvam et al. (2021). Lower antibiotic prescription rates in hospitalized COVID-19 patients than influenza patients, a prospective study. (external link)
• Wyller, Torgeir Bruun; Kittang, Bård Reiakvam; Ranhoff, Anette Hylen et al. (2021). Dødsfall i sykehjem etter covid-19-vaksine. (external link)
• Myrstad, Marius; Kuwelker, Kanika; Haakonsen, Sigurd et al. (2021). Delirium screening with 4AT in patients aged 65 years and older admitted to the Emergency Department with suspected sepsis: a prospective cohort study. (external link)
• Blomberg, Bjørn; Mohn, Kristin Greve-Isdahl; Brokstad, Karl Albert et al. (2021). Long COVID in a prospective cohort of home-isolated patients. (external link)
• Barratt-Due, Andreas; Olsen, Inge Christoffer; Nezvalova-Henriksen, Katerina et al. (2021). Evaluation of the Effects of Remdesivir and Hydroxychloroquine on Viral Clearance in COVID-19 : A Randomized Trial. (external link)
• Kittang, Bård Reiakvam (2020). De fleste har det best i vante omgivelser. (external link)
• Kittang, Bård Reiakvam; Hofacker, Sebastian Von; Solheim, Sabine Piepenstock et al. (2020). Utbrudd av covid-19 ved tre sykehjem i Bergen. (external link)
• Oppegaard, Oddvar; Skrede, Steinar; Mylvaganam, Haima et al. (2020). Emerging threat of antimicrobial resistance in β-hemolytic streptococci. (external link)
• Kittang, Bård Reiakvam (2020). De fleste har de best i vante omgivelser. (external link)
• Myrstad, Marius; Kittang, Bård Reiakvam; Ranhoff, Anette Hylen et al. (2020). Kortikosteroider til sykehjemspasienter med covid-19?. (external link)
• Skodvin, Brita; Wathne, Jannicke Slettli; Lindemann, Paul Christoffer et al. (2019). Use of microbiology tests in the era of increasing AMR rates- a multicentre hospital cohort study. (external link)
• Jordal, Stina; Kittang, Bård Reiakvam; Salminen, Pirjo-Riitta et al. (2018). Infective endocarditis in Western Norway: a 20-year retrospective survey. (external link)
• Oppegaard, Oddvar; Mylvaganam, Haima; Skrede, Steinar et al. (2018). Exploring the arthritogenicity of Streptococcus dysgalactiae subspecies equisimilis. (external link)
• Kittang, Bård Reiakvam; Pettersen, Veronika Kucharova; Oppegaard, Oddvar et al. (2017). Zoonotic necrotizing myositis caused by Streptococcus equi subsp. zooepidemicus in a farmer. (external link)
• Oppegaard, Oddvar; Mylvaganam, Haima; Skrede, Steinar et al. (2017). Clinical and molecular characteristics of infective β-hemolytic streptococcal endocarditis. (external link)
• Oppegaard, Oddvar; Mylvaganam, Haima; Skrede, Steinar et al. (2017). Emergence of a Streptococcus dysgalactiae subspecies equisimilis stG62647-lineage associated with severe clinical manifestations. (external link)
• Reiakvam, Kyrre Kittang; Astor, Marianne; Kittang, Bård Reiakvam (2016). En kvinne i 70-årene med rask forverring av kognitiv funksjon. (external link)
• Bruun, Trond; Oppegaard, Oddvar; Kittang, Bård Reiakvam et al. (2016). Etiology of cellulitis and clinical prediction of streptococcal disease: A prospective study. (external link)
• Oppegaard, Oddvar; Skrede, Steinar; Mylvaganam, Haima et al. (2016). Temporal trends of β-haemolytic streptococcal osteoarticular infections in western Norway. (external link)
• Oppegaard, Oddvar; Mylvaganam, Haima; Kittang, Bård Reiakvam (2015). Beta-haemolytic group A, C and G streptococcal infections in Western Norway: a 15-year retrospective survey. (external link)
• Jordal, Stina; Glambek, Marte; Oppegaard, Oddvar et al. (2015). New tricks from an old cow: infective endocarditis caused by Streptococcus dysgalactiae subsp. dysgalactiae. (external link)
• Siemens, Nikolai; Kittang, Bård Reiakvam; Chakrakodi, Bhavya et al. (2015). Increased cytotoxicity and streptolysin O activity in group G streptococcal strains causing invasive tissue infections. (external link)
• Oppegaard, Oddvar; Mylvaganam, Haima; Skrede, Steinar et al. (2014). Sequence diversity of sicG among group C and G Streptococcus dysgalactiae subspecies equisimilis isolates associated with human infections in western Norway. (external link)
• Bruun, Trond; Kittang, Bård Reiakvam; Hoog, Bram Johan de et al. (2013). Necrotizing soft tissue infections caused by Streptococcus pyogenes and Streptococcus dysgalactiae subsp equisimilis of groups C and G in western Norway. (external link)
• Kittang, Bård Reiakvam; Skrede, Steinar; Langeland, Nina et al. (2011). emm gene diversity, superantigen gene profiles and presence of SlaA among clinical isolates of group A, C and G streptococci from western Norway. (external link)
• Kittang, Bård Reiakvam; Bruun, Trond; Langeland, Nina et al. (2011). Invasive group A, C and G streptococcal disease in western Norway: virulence gene profiles, clinical features and outcomes. (external link)
• Kittang, Bård Reiakvam; Langeland, Nina; Skrede, Steinar et al. (2010). Two unusual cases of severe soft tissue infection caused by streptococcus dysgalactiae subsp. equisimilis. (external link)
• Nordal, Hilde Haugedal; Kittang, Bård Reiakvam; Bindoff, Laurence (2010). Rhabdomyolysis after group C streptococcal infection. (external link)
• Bruun, Trond; Kittang, Bård Reiakvam; Mylvaganam, Haima et al. (2010). Clinical, microbiological and molecular characteristics of six cases of group A streptococcal meningitis in western Norway. (external link)
• Kittang, Bård Reiakvam; Langeland, Nina; Mylvaganam, Haima (2008). Distribution of emm types and subtypes among noninvasive group A, C and G streptococcal isolates in western Norway. (external link)
• Kittang, Bård Reiakvam; Chelsom, Julia; Jenum, PA et al. (2003). Brucellosis--a rare zoonosis. (external link)

Article in business/trade/industry journal

• Kittang, Bård Reiakvam (2025). Klinisk improvisasjon (KI). (external link)
• Kittang, Bård Reiakvam (2025). Et skråblikk mot vitenskapens pyramide. (external link)
• Kittang, Bård Reiakvam (2023). Et sanselig fag. (external link)
• Kittang, Bård Reiakvam (2023). Livet går i sirkel. (external link)

Errata

• Wiik, Arne Bastian; Doupe, Malcolm Bray; Bakken, Marit Stordal et al. (2024). Correction: Areas of consensus on unwarranted and warranted transfers between nursing homes and emergency care facilities in Norway: a Delphi study (BMC Health Services Research, (2024), 24, 1, (374), 10.1186/s12913-024-10879-3). (external link)

Academic lecture

• Wiik, Arne Bastian; Doupe, Malcolm; Førland, Oddvar et al. (2023). Areas of consensus on unwarranted and warranted transfers between nursing homes and emergency care facilities in Norway: a Delphi study. (external link)
• Wiik, Arne Bastian; Førland, Oddvar; Jacobsen, Frode Fadnes et al. (2023). What are unwarranted transfers from long term care nursing homes to emergency care?. (external link)

Editorial

• Kittang, Bård Reiakvam (2022). Covid-19 – en sjelden dødsårsak i sykehjem. (external link)

Reader opinion piece

• Ranhoff, Anette Hylen; Myrstad, Marius; Kittang, Bård Reiakvam et al. (2021). Bør alle sykehjemsbeboere vaksineres?. (external link)
• Bruun, Trond; Oppegaard, Oddvar; Kittang, Bård Reiakvam et al. (2016). Etiology of cellulitis and the validity of new and old methods. (external link)
• Reiakvam, Kyrre Kittang; Kittang, Bård Reiakvam (2016). K.K. Reiakvam & B.R. Kittang svarer. (external link)
• Reiakvam, Kyrre Kittang; Kittang, Bård Reiakvam (2016). K.K. Reiakvam & B.R. Kittang svarer. (external link)

Feature article

• Kittang, Bård Reiakvam; Krüger, Kjell (2018). Strukturerte tiltak mot infeksjoner i sykehjem. (external link)

Doctoral dissertation

• Oppegaard, Oddvar; Kittang, Bård Reiakvam (2017). Trends of Streptococcus dysgalactiae subsp. equisimilis infections in western Norway. Insights into clinical and microbial aspects. (external link)
• Kittang, Bård Reiakvam (2010). Group A, C and G streptococcal infections in western Norway: virulence gene characteristics and clinical features. (external link)

Poster

• Jordal, Stina; Salminen, Pirjo-Riitta; Kittang, Bård Reiakvam et al. (2017). Towards a more complicated future-temporal trends in infective endocarditis in western Norway. (external link)

See a complete overview of publications in Cristin.