Blar i Bergen Open Research Archive på forfatter "Bragstad, Karoline"
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Diagnostic performance of a SARS-CoV-2 rapid antigen test in a large, Norwegian cohort
Landaas, Elisabeth Toverud; Storm, Margrethe Larsdatter; Tollånes, Mette Christophersen; Barlinn, Regine; Kran, Anne-Marte Bakken; Bragstad, Karoline; Christensen, Andreas; Andreassen, Trude (Journal article; Peer reviewed, 2021)Background Rapid antigen tests (RATs) may be included in national strategies for handling the SARS-CoV-2 pandemic, as they provide test results rapidly, are easily performed outside laboratories, and enable immediate ... -
Evaluation of the pilot wastewater surveillance for SARS-CoV-2 in Norway, June 2022 – March 2023
Amato, Ettore; Hyllestad, Susanne; Heradstveit, Petter; Langlete, Petter; Moen, Line Victoria; Rohringer, Andreas; Pires, Joao; Baz-Lomba, Jose Antonio; Bragstad, Karoline; Feruglio, Siri Laura; Aavitsland, Preben; Madslien, Elisabeth Henie (Journal article; Peer reviewed, 2023-09-04)Background: During the COVID-19 pandemic, wastewater-based surveillance gained great international interest as an additional tool to monitor SARS-CoV-2. In autumn 2021, the Norwegian Institute of Public Health decided to ... -
Increased risk of hospitalisation and intensive care admission associated with reported cases of SARS-CoV-2 variants B.1.1.7 and B.1.351 in Norway, December 2020-May 2021
Veneti, Lamprini; Seppälä, Elina Marjukka; Storm, Margrethe Larsdatter; Valcarcel Salamanca, Beatriz; Buanes, Eirik Alnes; Aasand, Nina Therese; Naseer, Mohammed Umaer; Bragstad, Karoline; Hungnes, Olav; Bøås, Håkon; Kvåle, Reidar; Samareh Golestani, Karan; Feruglio, Siri Laura; Vold, Line; Nygård, Karin Maria; Whittaker, Robert Neil (Journal article; Peer reviewed, 2021)Introduction Since their emergence, SARS-CoV-2 variants of concern (VOC) B.1.1.7 and B.1.351 have spread worldwide. We estimated the risk of hospitalisation and admission to an intensive care unit (ICU) for infections ... -
No difference in risk of hospitalization between reported cases of the SARS-CoV-2 Delta variant and Alpha variant in Norway
Veneti, Lamprini; Valcarcel Salamanca, Beatriz; Seppälä, Elina Marjukka; Starrfelt, Jostein; Storm, Margrethe Larsdatter; Bragstad, Karoline; Hungnes, Olav; Bøås, Håkon; Kvåle, Reidar; Vold, Line; Nygård, Karin Maria; Buanes, Eirik Alnes; Whittaker, Robert Neil (Journal article; Peer reviewed, 2022)Objectives To estimate the risk of hospitalization among reported cases of the Delta variant of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) compared with the Alpha variant in Norway, and the risk of ... -
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; Seppälä, Elina Marjukka; Kvåle, Reidar; Vold, Line; Nygård, Karin; Buanes, Eirik Alnes; Whittaker, Robert Neil (Journal article; Peer reviewed, 2022)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 hospitalisation (adjusted hazard ratio: 0.27; 95% confidence interval: ...