Blar i forfatter "Josefsen, Ellen Haldis"

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    • Intraregional hospital outbreak of OXA-244-producing Escherichia coli ST38 in Norway, 2020 

      Lindemann, Paul Christoffer; Pedersen, Torunn Annie; Oma, Dorthea Hagen; Janice, Jessin; Grøvan, Fredrik; Chedid, Ghantous Milad; Hafne, Liv Jorunn; Josefsen, Ellen Haldis; Kacelnik, Oliver; Sundsfjord, Arnfinn; Samuelsen, Ørjan (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-06)
      Infections with OXA-244-carbapenemase-producing Escherichia coli with sequence type (ST)38 have recently increased in Europe. Due to its low-level activity against carbapenems, OXA-244 can be difficult to detect. Previous assessments have not revealed a clear source and route of transmission for OXA-244-producing E. coli, but there are indications of non-healthcare related sources and community ...

    • Nationwide, population-based observational study of the molecular epidemiology and temporal trend of carbapenemase-producing Enterobacterales in Norway, 2015 to 2021 

      Ljungquist, Oskar; Haldorsen, Bjørg; Pöntinen, Anna Kaarina; Janice, Jessin; Josefsen, Ellen Haldis; Elstrøm, Petter; Kacelnik, Oliver; Sundsfjord, Arnfinn; Samuelsen, Ørjan; Handal, Nina; Ranheim, Trond Egil; Hansen, Bent-Are; Mjøen, Andreas Fossum; Lindemann, Paul Christoffer; Nilsen, Einar; Zaragkoulias, Kyriakos; Larsen, Hege Elisabeth; Bjørnholt, Jørgen; Gammelsrud, Karianne Wiger; Jakovljev, Aleksandra; Löhr, Iren Høyland; Bredberg, Anders; Marvik, Åshild; Minge, Christina; Tofteland, Ståle; Papp, Kristina; Onken, Annette; Weme, Einar Tollaksen; Guennigsman, Brian Albert (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-06)
      National and regional carbapenemaseproducing Enterobacterales (CPE) surveillance is essential to understand the burden of antimicrobial resistance, elucidate outbreaks, and develop infection-control or antimicrobial-treatment recommendations. Aim: This study aimed to describe CPE and their epidemiology in Norway from 2015 to 2021. Methods: A nationwide, population-based observational study of ...