Browsing HVL Open by Author "Brokstad, Karl Albert"
Now showing items 1-12 of 12
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Attack rates amongst household members of outpatients with confirmed COVID-19 in Bergen, Norway: A case-ascertained study
Kuwelker, Kanika; Zhou, Fan; Blomberg, Bjørn; Lartey, Sarah; Brokstad, Karl Albert; Trieu, Mai Chi; Bansal, Amit; Madsen, Anders; Krammer, Florian; Mohn, Kristin Greve-Isdahl; Tøndel, Camilla; Linchausen, Dagrunn Waag; Cox, Rebecca Jane; Langeland, Nina (Peer reviewed; Journal article, 2021)Background Households studies reflect the natural spread of SARS-CoV-2 in immunologically naive populations with limited preventive measures to control transmission. We hypothesise that seropositivity provides more ... -
Durable immune responses after BNT162b2 vaccination in home-dwelling old adults
Hansen, Lena; Brokstad, Karl Albert; Bansal, Amit; Zhou, Fan; Bredholt, Geir; Onyango, Therese Bredholt; Sandnes, Helene Heitmann; Elyanow, Rebecca; Madsen, Anders; Trieu, Mai Chi; Sævik, Marianne; Søyland, Hanne; Olofsson, Jan Stefan; Vahokoski, Juha; Ertesvåg, Nina Urke; Fjelltveit, Elisabeth Berg; Shafiani, Shahin; Tøndel, Camilla; Chapman, Heidi; Kaplan, Ian; Mohn, Kristin Greve-Isdahl; Langeland, Nina; Cox, Rebecca Jane (Peer reviewed; Journal article, 2023)Objectives Elderly are an understudied, high-risk group vulnerable to severe COVID-19. We comprehensively analyzed the durability of humoral and cellular immune responses after BNT162b2 vaccination and SARS-CoV-2 infection ... -
Durable T-cellular and humoral responses in SARS-CoV-2 hospitalized and community patients
Mohn, Kristin Greve-Isdahl; Bredholt, Geir; Zhou, Fan; Madsen, Anders Aasgaard; Onyango, Therese Bredholt; Fjelltveit, Elisabeth Berg; Jalloh, Sarah Larteley Lartey; Brokstad, Karl Albert; Cantoni, Diego; Mayora-Neto, Martin; Temperton, Nigel; Langeland, Nina; Cox, Rebecca Jane (Peer reviewed; Journal article, 2022)Background Neutralizing antibodies are important for protection against the pandemic SARS-CoV-2 virus, and long-term memory responses determine the risk of re-infection or boosting after vaccination. T-cellular responses ... -
Herring roe oil in treatment of psoriasis – influence on immune cells and cytokine network
Petrovic, Aleksandra; Bueide, Ingvild Øye; Tveit, Kåre Steinar; Hallaråker, Hogne; Bjørndal, Bodil; Holmes, Timothy Dunstan; Davies, Richard Allan; Brokstad, Karl Albert; Bergum, Brith; Appel, Silke (Peer reviewed; Journal article, 2023)Background: Psoriasis is a chronic immune-mediated skin disease with systemic inflammation and comorbidities. Although the disease severity may vary over time, many patients suffer from mild to moderate disease. Often local ... -
Long COVID in a prospective cohort of home-isolated patients
Blomberg, Bjørn; Mohn, Kristin Greve-Isdahl; Brokstad, Karl Albert; Zhou, Fan; Linchausen, Dagrunn Waag; Hansen, Bernt-Are; Lartey, Sarah; Onyango, Therese Bredholt; Kuwelker, Kanika; Sævik, Marianne; Bartsch, Hauke; Tøndel, Camilla; Kittang, Bård Reiakvam; Cox, Rebecca Jane; Langeland, Nina (Journal article; Peer reviewed, 2021)Long-term complications after coronavirus disease 2019 (COVID-19) are common in hospitalized patients, but the spectrum of symptoms in milder cases needs further investigation. We conducted a long-term follow-up in a ... -
Persistent Fever and Positive PCR 90 Days Post-SARS-CoV-2 Infection in a Rituximab-Treated Patient: A Case of Late Antiviral Treatment
Ertesvåg, Nina Urke; Sakkestad, Sunniva Todnem; Zhou, Fan; Hoff, Ingrid; Kristiansen, Trygve; Jonassen, Trygve Müller; Follesø, Elisabeth; Brokstad, Karl Albert; Dyrhovden, Ruben; Mohn, Kristin Greve-Isdahl (Peer reviewed; Journal article, 2022)Background: Persistent fever after SARS-CoV-2 infection in rituximab-treated patients has been reported. Due to reduced sensitivity in conventional sampling methods and unspecific symptoms in these patients, distinguishing ... -
A randomized, double-blind, placebo-controlled clinical study to investigate the efficacy of herring roe oil for treatment of psoriasis
Tveit, Kåre Steinar; Brokstad, Karl Albert; Berge, Rolf Kristian; Sæbø, Per Christian; Hallaråker, Hogne; Brekke, Stian; Meland, Nils; Bjørndal, Bodil (Peer reviewed; Journal article, 2020)The effect of omega-3 polyunsaturated fatty acid supplements in patients with psoriasis vulgaris has previously been investigated, but interventions varied in source, composition, dose, administration route and duration ... -
A rapid antibody screening haemagglutination test for predicting immunity to SARS-CoV-2 variants of concern
Ertesvåg, Nina Urke; Xiao, Julie; Zhou, Fan; Ljostveit, Sonja; Sandnes, Helene Heitmann; Lartey, Sarah; Sævik, Marianne; Hansen, Lena; Madsen, Anders; Mohn, Kristin Greve-Isdahl; Fjelltveit, Elisabeth Berg; Olofsson, Jan Stefan; Tan, Tiong Kit; Rijal, Pramilia; Schimanski, Lisa; Øyen, Siri; Brokstad, Karl Albert; Dunachie, Susanna; Jämsén, Anni; James, William S.; Harding, Adam C.; Harvala, Heli; Nguyen, Dung; Roberts, David; Patel, Monika; Gopal, Robin; Zambon, Maria; Wei, Leiyan; Gilbert-Jaramillo, Javier; Knight, Michael L.; Vaughan-Jackson, Alun; Dupont, Maeva; Lamikanra, Abigail A.; Klennerman, Paul; Townsend, Alain; Tøndel, Camilla; Kuwelker, Kanika; Blomberg, Bjørn; Bredholt, Geir; Onyango, Therese Bredholt; Vahokoski, Juha; Bansal, Amit; Trieu, Mai Chi; Amdam, Håkon; Akselsen, Per Espen; Skorge, Trude Duelien; Okkenhaug, Liv Heiberg; Linchausen, Dagrun Waag; Langeland, Nina; Cox Brokstad, Rebecca Jane (Peer reviewed; Journal article, 2022)The aim of this study was to rapidly investigate the immune responses after SARS-CoV-2 infection and vaccination of younger adults and the elderly. Antibodies are proteins produced by the immune system that are released ... -
Risk assessment and antibody responses to SARS-CoV-2 in healthcare workers
Bansal, Amit; Trieu, Mai Chi; Mohn, Kristin Greve-Isdahl; Madsen, Anders; Olofsson, Jan Stefan; Sandnes, Helene Heitmann; Sævik, Marianne; Søyland, Hanne; Hansen, Lena; Onyango, Therese Bredholt; Tøndel, Camilla; Brokstad, Karl Albert; Syre, Heidi; Riis, Åse Garløv; Langeland, Nina; Cox, Rebecca Jane (Peer reviewed; Journal article, 2023)Background: Preventing infection in healthcare workers (HCWs) is crucial for protecting healthcare systems during the COVID-19 pandemic. Here, we investigated the seroepidemiology of SARS-CoV-2 in HCWs in Norway with ... -
SARS-CoV-2 specific immune responses in overweight and obese COVID-19 patients
Onyango, Therese Bredholt; Zhou, Fan; Bredholt, Geir; Brokstad, Karl Albert; Jalloh, Sarah Larteley Lartey; Mohn, Kristin Greve-Isdahl; Özgümüs, Türküler; Kittang, Bård Reiakvam; Linchausen, Dagrun Waag; Shafiani, Shahin; Elyanow, Rebecca; Blomberg, Bjørn; Langeland, Nina; Cox, Rebecca Jane (Peer reviewed; Journal article, 2023)Obesity is a known risk factor for severe respiratory tract infections. In this prospective study, we assessed the impact of being obese or overweight on longitudinal SARS-CoV-2 humoral and cellular responses up to 18 ... -
SARS-CoV-2-specific neutralizing antibody responses in Norwegian healthcare workers after the first wave of COVID-19 pandemic: a prospective cohort study
Trieu, Mai Chi; Bansal, Amit; Madsen, Anders; Zhou, Fan; Sævik, Marianne; Vahokoski, Juha; Brokstad, Karl Albert; Krammer, Florian; Tøndel, Camilla; Mohn, Kristin Greve Isdahl; Blomberg, Bjørn; Langeland, Nina; Cox, Rebecca Jane (Peer reviewed; Journal article, 2020)Background During the coronavirus disease 2019 (COVID-19) pandemic, many countries experienced infection in health care workers (HCW) due to overburdened health care systems. Whether infected HCW acquire protective immunity ... -
Symptom burden and immune dynamics 6 to 18 months following mild SARS-CoV-2 infection -a case-control study
Fjelltveit, Elisabeth Berg; Blomberg, Bjørn; Kuwelker, Kanika; Zhou, Fan; Onyango, Therese Bredholt; Brokstad, Karl Albert; Elyanow, Rebecca G; Kaplan, Ian; Tøndel, Camilla; Mohn, Kristin Greve-Isdahl; Özgümüs, Türküler; Cox, Rebecca Jane; Langeland, Nina (Peer reviewed; Journal article, 2022)Background The burden and duration of persistent symptoms after nonsevere coronavirus disease 2019 (COVID-19) remains uncertain. This study aimed to assess postinfection symptom trajectories in home-isolated COVID-19 cases ...