• 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 (Journal article; Peer reviewed, 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 ...
    • Fluoroquinolone resistance among fecal extended spectrum βeta lactamases positive Enterobacterales isolates from children in Dar es Salaam, Tanzania 

      Kibwana, Upendo O.; Manyahi, Joel; Sandnes, Helene Heitmann; Blomberg, Bjørn; Mshana, Stephen E.; Langeland, Nina; Roberts, Adam P.; Moyo, Sabrina John (Journal article; Peer reviewed, 2023-03-07)
      Background: Fluoroquinolones have been, and continue to be, routinely used for treatment of many bacterial infections. In recent years, most parts of the world have reported an increasing trend of fluoroquinolone resistant ...
    • Gastrointestinal colonization of extended-spectrum beta-lactamase-producing bacteria among children below five years of age hospitalized with fever in Dar es Salaam, Tanzania 

      Kibwana, Upendo O.; Manyahi, Joel; Sandnes, Helene Heitmann; Blomberg, Bjørn; Mshana, Stephen E.; Langeland, Nina; Moyo, Sabrina John (Journal article; Peer reviewed, 2022)
      Objectives: Gastrointestinal colonization of extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE) is of concern because prior colonization increases risk for subsequent infections. To date, the link between ...
    • 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, ...
    • 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 ...
    • 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 (Journal article; Peer reviewed, 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 ...