Blar i Bergen Open Research Archive på forfatter "Blomberg, Bjørn"
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The Performances of Three Commercially Available Assays for the Detection of SARS‐CoV‐2 Antibodies at Different Time Points Following SARS‐CoV‐2 Infection
Syre, Heidi; Obreque, Marius Eduardo Brå; Dalen, Ingvild; Riis, Åse Garløv; Berg, Åse; Löhr, Iren Høyland; Sundal, Jon; Kleppe, Lars Kåre Selland; Vadla, May Sissel; Lenning, Ole Bernt; Olofsson, Jan Stefan; Mohn, Kristin Greve-Isdahl; Tøndel, Camilla; Blomberg, Bjørn; Trieu, Mai Chi; Langeland, Nina; Cox, Rebecca Jane (Journal article; Peer reviewed, 2022)The aim of this study was to evaluate the performances of three commercially available antibody assays for the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies at different time points ... -
Persistent pulmonary pathology after COVID‑19 is associated with high viral load, weak antibody response, and high levels of matrix metalloproteinase‑9
Lerum, Tøri Vigeland; Maltzahn, Niklas; Aukrust, Pål; Trøseid, Marius; Nezvalova-Henriksen, Katerina; Kåsine, Trine; Dyrhol-Riise, Anne Ma; Stiksrud, Birgitte; Haugli, Mette; Blomberg, Bjørn; Kittang, Bård Reiakvam; Johannessen, Asgeir; Hannula, Raisa; Aballi, Saad; Kildal, Anders Benjamin; Eiken, Ragnhild; Dahl, Tuva Børresdatter; Lund-Johansen, Fridtjof; Müller, Fredrik; Rivero, Jezabel Rodriguez; Meltzer, Carin; Einvik, Gunnar; Ueland, Thor; Olsen, Inge Christoffer; Barratt-Due, Andreas; Aaløkken, Trond Mogens; Skjønsberg, Ole Henning (Journal article; Peer reviewed, 2021)The association between pulmonary sequelae and markers of disease severity, as well as pro-fibrotic mediators, were studied in 108 patients 3 months after hospital admission for COVID-19. The COPD assessment test (CAT-score), ... -
Point-of-care influenza testing impacts clinical decision, patient flow and length of stay in hospitalized adults
Fjelltveit, Elisabeth Berg; Brokstad, Rebecca Jane Cox; Østensjø, Jørgen; Blomberg, Bjørn; Ebbesen, Marit Helen; Langeland, Nina; Mohn, Kristin Greve Isdahl (Journal article; Peer reviewed, 2022)Background Influenza is difficult to distinguish clinically from other acute respiratory infections. Rapid laboratory diagnosis can help initiate early effective antiviral treatment and isolation. Implementing a novel ... -
Post COVID-19 condition after delta infection and omicron reinfection in children and adolescents
Ertesvåg, Nina Urke; Iversen, Arild; Blomberg, Bjørn; Özgümüs, Türküler; Rijal, Pramila; Fjelltveit, Elisabeth Berg; Cox, Rebecca Jane; Langeland, Nina; Haug, Kjell; Sandnes, Helene Heitmann; Mohn, Kristin Greve-Isdahl; Olofsson, Jan Stefan; Sævik, Marianne; Brokstad, Christopher James; Kuwelker, Kanika; Heienberg, Kristin (Journal article; Peer reviewed, 2023)Background: The burden of COVID-19 in children and adolescents has increased during the delta and omicron waves, necessitating studies of long-term symptoms such as fatigue, dyspnoea and cognitive problems. Furthermore, ... -
Predominance of PVL-negative community-associated methicillin-resistant Staphylococcus aureus sequence type 8 in newly diagnosed HIV-infected adults, Tanzania
Manyahi, Joel; Moyo, Sabrina John; Aboud, Said; Langeland, Nina; Blomberg, Bjørn (Journal article; Peer reviewed, 2021)Difficult-to-treat infections caused by methicillin-resistant Staphylococcus aureus (MRSA) are of concern in people living with HIV infection as they are more vulnerable to infection. We aimed to identify molecular ... -
Prevalence and molecular characterisation of human adenovirus in diarrhoeic children in Tanzania; a case control study
Moyo, Sabrina John; Hanevik, Kurt; Blomberg, Bjørn; Kommedal, Øyvind; Nordbø, Svein Arne; Maselle, Samuel Y; Langeland, Nina (Peer reviewed; Journal article, 2014-12-12)Background: Human adenovirus (HAdV) causes acute diarrhoea sporadically, as well as in outbreaks. Understanding the prevalence and types of HAdV in diarrhoea is important for control and preventive measures, especially in ... -
Prevalence of Cryptosporidium parvum/hominis, Entamoeba histolytica and Giardia lamblia among Young Children with and without Diarrhea in Dar es Salaam, Tanzania
Tellevik, Marit Gjerde; Moyo, Sabrina John; Blomberg, Bjørn; Hjøllo, Torunn; Maselle, Samuel Y; Langeland, Nina; Hanevik, Kurt (Peer reviewed; Journal article, 2015-10-09)Background: Although enteroparasites are common causes of diarrheal illness, few studies have been performed among children in Tanzania. This study aimed to investigate the prevalence of Cryptosporidium parvum/hominis, ... -
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 (Journal article; Peer reviewed, 2022)Background: Evaluation of susceptibility to emerging SARS-CoV-2 variants of concern (VOC) requires rapid screening tests for neutralising antibodies which provide protection. Methods: Firstly, we developed a receptor-binding ... -
SARS CoV-2 Infection among Health Care Workers from Different Health Care Facilities in Western Norway: A Prospective, Cross-Sectional Study
Kittang, Bård Reiakvam; Blomberg, Bjørn; Sævik, Marianne; Olofsson, Jan Stefan; Langeland, Nina; Cox, Rebecca Jane (Journal article; Peer reviewed, 2022)Background: Comparative data on COVID-19 among health care workers (HCWs) in different health care settings are scarce. This study investigated the rates of previous COVID-19 among HCWs in nursing homes, hospitals and a ... -
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 (Journal article; Peer reviewed, 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 Health Care 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 (Journal article; Peer reviewed, 2021)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 ... -
Serological profile among patients with malaria in secondary community hospitals in India - a multicenter cross sectional study
Mørch, Kristine; Vivek, Rosario; Xena, Depeeka; Chandy, Sara; Manoharan, Anand; Haanshuus, Christel Gill; Langeland, Nina; Blomberg, Bjørn; Mathai, Dilip (Conference poster, 2014-09-22) -
Single amplification PCR targeting mitochondrial genome more sensitive in diagnosing malaria than nested 18S PCR among returned travelers in Bergen, Norway
Haanshuus, Christel Gill; Mohn, Stein Christian; Mørch, Kristine; Langeland, Nina; Blomberg, Bjørn; Hanevik, Kurt (Conference poster, 2012-10-15) -
Surveillance of antimicrobial resistance at a tertiary hospital in Tanzania
Blomberg, Bjørn; Mwakagile, Davis S. M.; Urassa, Willy K.; Maselle, Samwel Y.; Mashurano, Marcellina; Digranes, Asbjørn; Harthug, Stig; Langeland, Nina (Peer reviewed; Journal article, 2004-10-11)Background: Antimicrobial resistance is particularly harmful to infectious disease management in low-income countries since expensive second-line drugs are not readily available. The objective of this study was to implement ... -
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 (Journal article; Peer reviewed, 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 ... -
Tuberculosis-Associated Hemophagocytic Lymphohistiocytosis: A Review of Current Literature
Fauchald, Trym; Blomberg, Bjørn; Reikvam, Håkon (Journal article; Peer reviewed, 2023)Hemophagocytic lymphohistiocytosis (HLH) is a condition of immune dysregulation and hyperinflammation, leading to organ failure and death. Malignancy, autoimmune conditions, and infections, including Mycobacterium tuberculosis ... -
Use of probiotics to reduce infections and death and prevent colonization with extended-spectrum beta-lactamase (ESBL)- producing bacteria among newborn infants in Tanzania (ProRIDE Trial): study protocol for a randomized controlled clinical trial
Kuwelker, Kanika; Langeland, Nina; Löhr, Iren Høyland; Gidion, Joshua; Manyahi, Joel; Moyo, Sabrina John; Blomberg, Bjørn; Klingenberg, Claus (Journal article; Peer reviewed, 2021)Background Extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) has emerged as an urgent global health threat and is by the World Health Organization ranked as priority 1 among pathogens in need of new ... -
Weight gain during treatment course of allogenic hematopoietic stem cell transplantation in patients with hematological malignancies affects treatment outcome
Johansen, Silje; Blomberg, Bjørn; Vo, Anh Khoi; Wendelbo, Øystein; Reikvam, Håkon (Journal article; Peer reviewed, 2022)Background aims Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is an effective treatment for patients with hematological malignancies; however, allo-HSCT does not come without the cost of treatment-related ...