Search Results - "Bråthen Kristoffersen, Anja"

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 by Veneti, Lamprini, Bøås, Håkon, Bråthen Kristoffersen, Anja, Stålcrantz, Jeanette, Bragstad, Karoline, Hungnes, Olav, Storm, Margrethe Larsdatter, Aasand, Nina, Rø, Gunnar, Starrfelt, Jostein, Seppälä, Elina, Kvåle, Reidar, Vold, Line, Nygård, Karin, Buanes, Eirik Alnes, Whittaker, Robert

“…We included 39,524 COVID-19 Omicron and 51,481 Delta cases reported in Norway from December 2021 to January 2022. We estimated a 73% reduced risk of…”
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Long‐term effects of fecal microbiota transplantation (FMT) in patients with irritable bowel syndrome by El‐Salhy, Magdy, Kristoffersen, Anja Bråthen, Valeur, Jørgen, Casen, Christina, Hatlebakk, Jan Gunnar, Gilja, Odd Helge, Hausken, Trygve

“…Background We recently found fecal microbiota transplantation (FMT) in irritable bowel syndrome (IBS) patients to be an effective and safe treatment after…”
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Estimation of the incidence of hospitalisation for non-invasive pneumococcal pneumonia in the Norwegian population aged 50 years and older by Lyngstad, Trude Marie, Kristoffersen, Anja Bråthen, Winje, Brita Askeland, Steens, Anneke

“…The purpose of this study was to estimate simple measures of the burden of non-invasive pneumococcal pneumonia (PnPn) hospitalisations in those aged 50 years…”
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Quantitative risk assessment of salmon louse-induced mortality of seaward-migrating post-smolt Atlantic salmon by Kristoffersen, Anja Bråthen, Qviller, Lars, Helgesen, Kari Olli, Vollset, Knut Wiik, Viljugrein, Hildegunn, Jansen, Peder Andreas

“…•We model the risk of salmon louse infestation and louse-induced mortality of seaward-migrating Atlantic salmon post-smolts from Norwegian rivers.•The salmon…”
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Frequency and risk of SARS-CoV-2 reinfections in Norway: a nation-wide study, February 2020 to January 2022 by Bøås, Håkon, Storm, Margrethe Larsdatter, Tapia, German, Kristoffersen, Anja Bråthen, Løvlie, Astrid Louise, Størdal, Ketil, Lyngstad, Trude Marie, Bragstad, Karoline, Hungnes, Olav, Veneti, Lamprini

“…SARS-CoV-2 reinfection rates have been shown to vary depending on the circulating variant, vaccination status and background immunity, as well as the time…”
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Space-time modelling of the spread of salmon lice between and within Norwegian marine salmon farms by Aldrin, Magne, Storvik, Bård, Kristoffersen, Anja Bråthen, Jansen, Peder Andreas

“…Parasitic salmon lice are potentially harmful to salmonid hosts and farm produced lice pose a threat to wild salmonids. To control salmon lice infections in…”
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A real-time regional model for COVID-19: Probabilistic situational awareness and forecasting by Engebretsen, Solveig, Diz-Lois Palomares, Alfonso, Rø, Gunnar, Kristoffersen, Anja Bråthen, Lindstrøm, Jonas Christoffer, Engø-Monsen, Kenth, Kamineni, Meghana, Hin Chan, Louis Yat, Dale, Ørjan, Midtbø, Jørgen Eriksson, Stenerud, Kristian Lindalen, Di Ruscio, Francesco, White, Richard, Frigessi, Arnoldo, de Blasio, Birgitte Freiesleben

“…The COVID-19 pandemic is challenging nations with devastating health and economic consequences. The spread of the disease has revealed major geographical…”
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No Evidence of the Vertical Transmission of Non-Virulent Infectious Salmon Anaemia Virus (ISAV-HPR0) in Farmed Atlantic Salmon by Christiansen, Debes Hammershaimb, Petersen, Petra Elisabeth, Dahl, Maria Marjunardóttir, Vest, Nicolina, Aamelfot, Maria, Kristoffersen, Anja Bråthen, Jansen, Mona Dverdal, Matejusova, Iveta, Gallagher, Michael D, Jónsson, Gísli, Rodriguez, Eduardo, Fosse, Johanna Hol, Falk, Knut

“…The nonvirulent infectious salmon anaemia virus (ISAV-HPR0) is the putative progenitor for virulent-ISAV, and a potential risk factor for the development of…”
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Effectiveness and durability of a second COVID-19 booster against severe outcomes among older people in Norway: a population-based cohort study comparing mono- and bivalent booster doses by Stecher, Melanie, Kristoffersen, Anja Bråthen, Lie, Kristian, Andersen, Svein Rune, Meijerink, Hinta, Starrfelt, Jostein

“…Abstract Background Evidence on the durability of the protection of a fourth dose of a monovalent or bivalent messenger ribonucleic acid (mRNA) vaccine against…”
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Design of a DNA chip for detection of unknown genetically modified organisms (GMOs) by Nesvold, Håvard, Kristoffersen, Anja Bråthen, Holst-Jensen, Arne, Berdal, Knut G.

“…Motivation: Unknown genetically modified organisms (GMOs) have not undergone a risk evaluation, and hence might pose a danger to health and environment. There…”
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Immune cell profiles associated with human exposure to perfluorinated compounds (PFAS) suggest changes in natural killer, T helper, and T cytotoxic cell subpopulations by Tursi, Amanda R., Lindeman, Birgitte, Kristoffersen, Anja Bråthen, Hjertholm, Hege, Bronder, Eugenia, Andreassen, Monica, Husøy, Trine, Dirven, Hubert, Andorf, Sandra, Nygaard, Unni C.

“…Per- and polyfluoroalkyl substances (PFAS) constitutes a group of highly persistent man-made substances. Recent evidence indicates that PFAS negatively impact…”
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COVID-19 Vaccine Effectiveness Among Adolescents by Poukka, Eero, Andersson, Niklas Worm, Thiesson, Emilia Myrup, Baum, Ulrike, Pihlström, Nicklas, Perälä, Jori, Kristoffersen, Anja Bråthen, Meijerink, Hinta, Starrfelt, Jostein, Ljung, Rickard, Hviid, Anders

“…For adolescents, data on the long-term effectiveness of the BNT162b2 and mRNA-1273 vaccines against severe COVID-19 outcomes are scarce. Additionally, only a…”
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No evidence for added value of introducing mandatory COVID-19 testing for international travellers entering Norway with a valid EU digital COVID certificate by Elgersma, Ingeborg Hess, Svarstad, Elise, Kløvstad, Hilde, Nygård, Karin Maria, Kristoffersen, Anja Bråthen

“…BACKGROUNDAs a response to the emergence of the new Omicron SARS-CoV-2 variant, on December 3, 2021, mandatory testing after entry to Norway was extended to…”
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Risk factors for occurrence of cephalosporin-resistant Escherichia coli in Norwegian broiler flocks by Mo, Solveig Sølverød, Kristoffersen, Anja Bråthen, Sunde, Marianne, Nødtvedt, Ane, Norström, Madelaine

“…•Risk factors for cephalosporin resistance in broiler flocks were identified.•The highest risk was associated with previous broiler flock being positive.•More…”
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Trace element composition of smolt scales from Atlantic salmon (Salmo salar L.), geographic variation between hatcheries by Flem, Belinda, Moen, Vidar, Finne, Tor Erik, Viljugrein, Hildegunn, Kristoffersen, Anja Bråthen

“…•Sclerites of 1347 Atlantic salmon smolt scales from 18 hatcheries along Norway’s coastline are analysed by LA-ICP-MS.•Identification of hatchery of origin by…”
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Estimating vaccine effectiveness against COVID-19 using cause-specific sick leave as an indicator: a nationwide population-based cohort study, Norway, July 2021 - December 2022 by Meijerink, Hinta, Veneti, Lamprini, Kristoffersen, Anja Bråthen, Danielsen, Anders Skyrud, Stecher, Melanie, Starrfelt, Jostein

“…Due to changes in testing policy and increased use of rapid tests, other indicators for SARS-CoV-2 infections are needed to monitor vaccine effectiveness (VE)…”
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Pertussis epidemiology including direct and indirect effects of the childhood pertussis booster vaccinations, Norway, 1998–2019 by Seppälä, Elina, Bråthen Kristoffersen, Anja, Bøås, Håkon, Frimann Vestrheim, Didrik, Greve-Isdahl, Margrethe, Freiesleben De Blasio, Birgitte, Steens, Anneke

“…•School-age and adolescent boosters protect targeted age groups against pertussis.•Pertussis incidence among infants remained unchanged since introduction of…”
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eHealth: Disease activity measures are related to the faecal gut microbiota in adult patients with ulcerative colitis by Ankersen, Dorit Vedel, Weimers, Petra, Marker, Dorte, Johannesen, Thor, Iversen, Søren, Lilje, Berit, Kristoffersen, Anja Bråthen, Saboori, Sanaz, Paridaens, Kristine, Skytt Andersen, Paal, Burisch, Johan, Munkholm, Pia

“…Microbial dysbiosis in inflammatory bowel disease (IBD) is poorly understood. Faecal samples collected for the purposes of microbiota analysis are not yet a…”
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A sequential Monte Carlo approach to estimate a time-varying reproduction number in infectious disease models: the Covid-19 case by Storvik, Geir, Diz-Lois Palomares, Alfonso, Engebretsen, Solveig, Rø, Gunnar Øyvind Isaksson, Engø-Monsen, Kenth, Kristoffersen, Anja Bråthen, de Blasio, Birgitte Freiesleben, Frigessi, Arnoldo

“…The Covid-19 pandemic has required most countries to implement complex sequences of non-pharmaceutical interventions, with the aim of controlling the…”
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Increased transmissibility of the alpha SARS-CoV-2 variant: evidence from contact tracing data in Oslo, January to February 2021 by Lindstrøm, Jonas Christoffer, Engebretsen, Solveig, Kristoffersen, Anja Bråthen, Rø, Gunnar Øyvind Isaksson, Palomares, Alfonso Diz-Lois, Engø-Monsen, Kenth, Madslien, Elisabeth Henie, Forland, Frode, Nygård, Karin Maria, Hagen, Frode, Gantzel, Gunnar, Wiklund, Ottar, Frigessi, Arnoldo, de Blasio, Birgitte Freiesleben

“…Information about the contagiousness of new SARS-CoV-2 variants, including the alpha lineage, and how they spread in various locations is essential…”
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