Cristin-person-ID: 22374
Person

Anja Bråthen Kristoffersen

  • Stilling:
    Forsker
    ved Avdeling for metodeutvikling og analyse ved Folkehelseinstituttet
  • Stilling:
    Forsker
    ved Epidemiologi ved Veterinærinstituttet

Klassifisering

Emneord

Statistikk • Bioinformatikk • Biostatistikk

Forskningsetisk erklæring

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NENT etiske retningslinjer

Resultater Resultater

Pertussis epidemiology including direct and indirect effects of the childhood pertussis booster vaccinations, Norway, 1998–2019.

Seppälä, Elina Marjukka; Kristoffersen, Anja Bråthen; Bøås, Håkon; Vestrheim, Didrik Frimann; Greve-Isdahl, Margrethe; De Blasio, Birgitte Freiesleben; Steens, Anneke. 2022, Vaccine. FHI, ECDCVitenskapelig artikkel

Estimation of the incidence of hospitalization for non-invasive pneumococcal pneumonia in the Norwegian population aged 50 years and older.

Lyngstad, Trude Marie; Kristoffersen, Anja Bråthen; Askeland Winje, Brita; Steens, Anneke. 2022, Epidemiology and Infection. FHI, ECDCVitenskapelig artikkel

Reduced risk of hospitalisation among reported COVID-19 cases infected with the SARS-CoV-2 Omicron BA.1 variant compared with the Delta variant, Norway, December 2021 to January 2022.

Veneti, Lamprini; Bøås, Håkon; Kristoffersen, Anja Bråthen; Stålcrantz, Jeanette; Bragstad, Karoline; Hungnes, Olav; Storm, Margrethe Larsdatter; Aasand, Nina Therese; Rø, Gunnar Øyvind Isaksson; Starrfelt, Jostein mfl.. 2022, Eurosurveillance. FHI, HAUKELAND, ECDC, UIBVitenskapelig artikkel

Length of hospital stay and risk of intensive care admission and in-hospital death among COVID-19 patients in Norway: a register-based cohort study comparing patients fully vaccinated with an mRNA vaccine to unvaccinated patients.

Whittaker, Robert Neil; Kristoffersen, Anja Bråthen; Valcarcel Salamanca, Beatriz; Seppälä, Elina Marjukka; Samareh Golestani, Karan; Kvåle, Reidar; Watle, Sara Sofie Viksmoen; Buanes, Eirik Alnes. 2022, Clinical Microbiology and Infection (CMI). FHI, HAUKELAND, UIBVitenskapelig artikkel

No evidence of the vertical transmission of non-virulent infectious salmon anaemia virus (Isav-hpr0) in farmed atlantic salmon.

Christiansen, Debes H.; Petersen, Petra Elisabeth; Dahl, Maria Marjunardóttir; Vest, Nicolina; Aamelfot, Maria; Kristoffersen, Anja Bråthen; Jansen, Mona Dverdal; Matejusova, Iveta; Gallagher, Michael D.; Jónsson, Gísli mfl.. 2021, Viruses. TUOE, ISLAND, VETINST, FRS, FÆRØYENEVitenskapelig artikkel
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