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Nina Langelands bilde

Nina Langeland

Professor, Professor Infectious Diseases
  • E-postNina.Langeland@uib.no
  • Telefon+47 416 16 450
  • Besøksadresse
    Haukeland universitetssykehus, Laboratoriebygget
  • Postadresse
    Postboks 7804
    5020 Bergen

Research on clinical infectious diseases and outbreak investigations. Long-term follow-up after community Giardia outbreak in Bergen. Several projects on importance of antimicrobial resistance and ESBLs in child mortality in Tanzanian hospitals. Placebo-controlled RCT on hepatitis C treatment. RCT on cotrimoxazole prophylaxis in HIV infected patients in Tanzania. Use of probiotics to prevent infant sepsis in Tanzania, project to be started in 2019.

Experience in phase 1 studies, cohort studies, case control studies and randomized controlled trials.

Vitenskapelig artikkel
  • Vis forfatter(e) 2021. 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. Trials.
  • Vis forfatter(e) 2021. Predominance of PVL-negative community-associated methicillin-resistant Staphylococcus aureus sequence type 8 in newly diagnosed HIV-infected adults, Tanzania. European Journal of Clinical Microbiology and Infectious Diseases. 1-9.
  • Vis forfatter(e) 2021. Long COVID in a prospective cohort of home-isolated patients. Nature Medicine.
  • Vis forfatter(e) 2021. Attack rates amongst household members of outpatients with confirmed COVID-19 in Bergen, Norway: A case-ascertained study. The Lancet Regional Health - Europe.
  • Vis forfatter(e) 2020. The relation of 25-hydroxy vitamin D concentrations to liver histopathology, seasonality and baseline characteristics in chronic hepatitis C virus genotype 2 or 3 infection. PLOS ONE. 1-16.
  • Vis forfatter(e) 2020. SARS-CoV-2-specific neutralizing antibody responses in Norwegian healthcare workers after the first wave of COVID-19 pandemic: a prospective cohort study. Journal of Infectious Diseases.
  • Vis forfatter(e) 2020. Point-of-care influenza testing impacts clinical decision, patient flow and length of stay in hospitalized adults. Journal of Infectious Diseases.
  • Vis forfatter(e) 2020. Plasma parasitemia as assessed by quantitative PCR in relation to clinical disease severity in African adults with falciparum malaria with and without HIV co-infection. Infection. 367-373.
  • Vis forfatter(e) 2020. Plasma levels of interleukin 27 in falciparum malaria is increased independently of co-infection with HIV: Potential immune-regulatory role during malaria. BMC Infectious Diseases. 1-11.
  • Vis forfatter(e) 2020. Performance and operational feasibility of two diagnostic tests for cryptosporidiosis in children (CRYPTO-POC): a clinical, prospective, diagnostic accuracy study. The Lancet Infectious Diseases. 722-730.
  • Vis forfatter(e) 2020. Horizontal plasmid transfer among klebsiella pneumoniae isolates is the key factor for dissemination of extended-spectrum β-lactamases among children in Tanzania. mSphere. 1-13.
  • Vis forfatter(e) 2020. High rate of antimicrobial resistance and multiple mutations in the dihydrofolate reductase gene among Streptococcus pneumoniae isolated from HIV-infected adults in a community setting in Tanzania. Journal of Global Antimicrobial Resistance. 749-753.
  • Vis forfatter(e) 2020. High prevalence of fecal carriage of extended spectrum β-lactamase-producing enterobacteriaceae among newly HIV-diagnosed adults in a community setting in Tanzania. Microbial Drug Resistance. 1540-1545.
  • Vis forfatter(e) 2020. Genetic diversity of the flavohemoprotein gene of giardia lamblia: Evidence for high allelic heterozygosity and copy number variation. Infection and Drug Resistance. 4531-4545.
  • Vis forfatter(e) 2020. Comparative expression profiling in the intestine of patients with Giardia-induced postinfectious functional gastrointestinal disorders. Neurogastroenterology and Motility. 1-12.
  • Vis forfatter(e) 2020. Bacteraemia, malaria, and case fatality among children hospitalized with fever in Dar es Salaam, Tanzania. Frontiers in Microbiology. 1-10.
  • Vis forfatter(e) 2019. Quality of life and its association with irritable bowel syndrome and fatigue ten years after giardiasis. Neurogastroenterology and Motility.
  • Vis forfatter(e) 2019. Prolonged and persistent diarrhoea is not restricted to children with acute malnutrition: an observational study in Ethiopia. Tropical medicine & international health. 1088-1097.
  • Vis forfatter(e) 2019. Identification of conserved candidate vaccine antigens in the surface proteome of giardia lamblia. Infection and Immunity.
  • Vis forfatter(e) 2019. Genetic variation in metronidazole metabolism and oxidative stress pathways in clinical giardia lamblia assemblage A and B isolates. Infection and Drug Resistance. 1221-1235.
  • Vis forfatter(e) 2019. Assessment of malaria real-time PCR methods and application with focus on lowlevel parasitaemia. PLOS ONE. 1-15.
  • Vis forfatter(e) 2019. A New Human Challenge Model for Testing Heat-Stable Toxin-Based Vaccine Candidates for Enterotoxigenic Escherichia Coli Diarrhea - Dose Optimization, Clinical Outcomes, and CD4+ T Cell Responses. PLoS Neglected Tropical Diseases. 19 sider.
  • Vis forfatter(e) 2018. Transient elevation of anti-transglutaminase and anti-endomysium antibodies in Giardia infection. Scandinavian Journal of Gastroenterology. 809-812.
  • Vis forfatter(e) 2018. Soluble markers of neutrophil, T-cell and monocyte activation are associated with disease severity and parasitemia in falciparum malaria. BMC Infectious Diseases. 8 sider.
  • Vis forfatter(e) 2018. Prolonged duodenal mucosal lymphocyte alterations in patients with and without postinfectious functional gastrointestinal disorders after Giardia infection. Journal of Infectious Diseases. 321-329.
  • Vis forfatter(e) 2018. Prevalence of irritable bowel syndrome and chronic fatigue 10 years after giardia infection. Clinical Gastroenterology and Hepatology. 1064-1072.
  • Vis forfatter(e) 2018. Longitudinal cohort study of serum antibody responses towards Giardia lamblia variant-specific surface proteins in a non-endemic area. Experimental parasitology. 66-72.
  • Vis forfatter(e) 2017. Molecular Characterization of Cotrimoxazole Resistance Genes and Their Associated Integrons in Clinical Isolates of Gram-Negative Bacteria from Tanzania. Microbial Drug Resistance. 37-43.
  • Vis forfatter(e) 2017. Giardia-specific cellular immune responses in post-giardiasis chronic fatigue syndrome. BMC Immunology. 1-8.
  • Vis forfatter(e) 2017. Genetic variation in potential Giardia vaccine candidates cyst wall protein 2 and α1-giardin. Parasitology Research. 2151-2158.
  • Vis forfatter(e) 2017. Epidemiology and impact on all-cause mortality of sepsis in Norwegian hospitals: A national retrospective study. PLOS ONE. 1-13.
  • Vis forfatter(e) 2017. Detection of CTX-M-15 beta-lactamases in Enterobacteriaceae causing hospital- and community-acquired urinary tract infections as early as 2004, in Dar es Salaam, Tanzania. BMC Infectious Diseases. 1-7.
  • Vis forfatter(e) 2017. Comprehensive analysis of prevalence, epidemiologic characteristics, and clinical characteristics of monoinfection and coinfection in diarrheal diseases in children in Tanzania. American Journal of Epidemiology. 1074-1083.
  • Vis forfatter(e) 2017. An observational study of community-acquired severe sepsis comparing intensive care and non-intensive care patients. Acta Anaesthesiologica Scandinavica. 194-204.
  • Vis forfatter(e) 2017. Acute undifferentiated fever in India: A multicentre study of aetiology and diagnostic accuracy. BMC Infectious Diseases. 1-11.
  • Vis forfatter(e) 2016. Short interferon and ribavirin treatment for HCV genotype 2 or 3 infection: NORDynamIC trial and real-life experience. Scandinavian Journal of Gastroenterology. 337-343.
  • Vis forfatter(e) 2016. Salivary IgA from the sublingual compartment as a novel noninvasive proxy for intestinal immune induction. Mucosal Immunology. 884-893.
  • Vis forfatter(e) 2016. Postinfectious and sporadic functional gastrointestinal disorders have different prevalences and rates of overlap: results from a controlled cohort study 3 years after acute giardiasis. Neurogastroenterology and Motility. 1561-1569.
  • Vis forfatter(e) 2016. Human Memory CD4+ T Cell Immune Responses against Giardia lamblia. Clinical and Vaccine Immunology. 11-18.
  • Vis forfatter(e) 2016. High prevalence of faecal carriage of esbl-producing enterobacteriaceae among children in Dar es Salaam, Tanzania. PLOS ONE.
  • Vis forfatter(e) 2016. Excessive daytime sleepiness, sleep need and insomnia 3 years after Giardia infection: A cohort study. Sleep Health. 154-158.
  • Vis forfatter(e) 2016. Etiology of cellulitis and clinical prediction of streptococcal disease: A prospective study. Open Forum Infectious Diseases.
  • Vis forfatter(e) 2016. Early Response in Cellulitis: A Prospective Study of Dynamics and Predictors. Clinical Infectious Diseases. 1034-1041.
  • Vis forfatter(e) 2016. A high malaria prevalence identified by PCR among patients with acute undifferentiated fever in India. PLOS ONE.
  • Vis forfatter(e) 2015. Whole genome sequencing of clinical isolates of Giardia lamblia. Clinical Microbiology and Infection (CMI). 192.e1-192.e3.
  • Vis forfatter(e) 2015. The relationship between irritable bowel syndrome, functional dyspepsia, chronic fatigue and overactive bladder syndrome: A controlled study 6 years after acute gastrointestinal infection. BMC Gastroenterology.
  • Vis forfatter(e) 2015. Prevalence of Cryptosporidium parvum/hominis, Entamoeba histolytica and Giardia lamblia among Young Children with and without Diarrhea in Dar es Salaam, Tanzania. PLoS Neglected Tropical Diseases.
  • Vis forfatter(e) 2015. Perceived food intolerance and irritable bowel syndrome in a population 3 years after a giardiasis-outbreak: a historical cohort study. BMC Gastroenterology.
  • Vis forfatter(e) 2015. Global collaboration bears fruit: Tanzania report. Kidney International. 1211-1214.
  • Vis forfatter(e) 2015. Genetic relatedness and risk factor analysis of ampicillin-resistant and high-level gentamicin-resistant enterococci causing bloodstream infections in Tanzanian children. BMC Infectious Diseases.
  • Vis forfatter(e) 2015. Complement activation correlates with disease severity and contributes to cytokine responses in plasmodium falciparum malaria. Journal of Infectious Diseases. 1835-1840.
  • Vis forfatter(e) 2014. Variants of the inosine triphosphate pyrophosphatase gene are associated with reduced relapse risk following treatment for HCV genotype 2/3. Hepatology. 2131-2139.
  • Vis forfatter(e) 2014. The decline of the impetigo epidemic caused by the epidemic European fusidic acid-resistant impetigo clone: an 11.5-year population-based incidence study from a community in Western Norway. Scandinavian Journal of Infectious Diseases. 832-837.
  • Vis forfatter(e) 2014. Stability of glycoprotein gene sequences of herpes simplex virus type 2 from primary to recurrent human infection, and diversity of the sequences among patients attending an STD clinic. BMC Infectious Diseases.
  • Vis forfatter(e) 2014. Sequence diversity of sicG among group C and G Streptococcus dysgalactiae subspecies equisimilis isolates associated with human infections in western Norway. European Journal of Clinical Microbiology and Infectious Diseases. 273-277.
  • Vis forfatter(e) 2014. Prevalence and molecular characterisation of human adenovirus in diarrhoeic children in Tanzania; a case control study. BMC Infectious Diseases. 9 sider.
  • Vis forfatter(e) 2014. PCR targeting Plasmodium mitochondrial genome of DNA extracted from dried blood on filter paper compared to whole blood. Malaria Journal.
  • Vis forfatter(e) 2014. Irritable bowel syndrome and chronic fatigue 6 years after Giardia infection: A controlled prospective cohort study. Clinical Infectious Diseases. 1394-1400.
  • Vis forfatter(e) 2014. Increased severity and mortality in adults co-infected with malaria and HIV in Maputo, Mozambique: a prospective cross-sectional study. PLOS ONE.
  • Vis forfatter(e) 2014. Identification of VIM-2-producing Pseudomonas aeruginosa from Tanzania is associated with sequence types 244 and 640 and the location of blaVIM-2 in a TniC integron. Antimicrobial Agents and Chemotherapy. 682-685.
  • Vis forfatter(e) 2014. High nasal carriage of methicillin-resistant staphylococcus aureus among healthy tanzanian under-5 children. Microbial Drug Resistance. 82-88.
  • Vis forfatter(e) 2014. Genetic diversity of norovirus in hospitalised diarrhoeic children and asymptomatic controls in Dar es Salaam, Tanzania. Infection, Genetics and Evolution. 340-347.
  • Vis forfatter(e) 2014. Genetic diversity of circulating rotavirus strains in Tanzania prior to the introduction of vaccination. PLOS ONE.
  • Vis forfatter(e) 2014. Experimental infection of healthy volunteers with enterotoxigenic Escherichia coli wild-type strain TW10598 in a hospital ward. BMC Infectious Diseases. 9 sider.
  • Vis forfatter(e) 2014. Cytokine network in adults with falciparum malaria and HIV-1: increased IL-8 and IP-10 levels are associated with disease severity. PLOS ONE. 16 sider.
  • Vis forfatter(e) 2014. Comparison of four methods for extracting DNA from dried blood on filter paper for PCR targeting the mitochondrial Plasmodium genome. Transactions of the Royal Society of Tropical Medicine and Hygiene. 488-494.
  • Vis forfatter(e) 2014. Aetiology, antimicrobial therapy and outcome of patients with community acquired severe sepsis: A prospective study in a Norwegian university hospital. BMC Infectious Diseases.
  • Vis forfatter(e) 2014. A novel fibrosis index comprising a non-cholesterol sterol accurately predicts HCV-related liver cirrhosis. PLOS ONE.
  • Vis forfatter(e) 2013. Retreatment with peg-interferon and ribavirin in patients with chronic hepatitis C virus genotype 2 or 3 infection with prior relapse. Scandinavian Journal of Gastroenterology. 839-847.
  • Vis forfatter(e) 2013. No asymptomatic malaria parasitaemia found among 108 young children at one health facility in Dar es Salaam, Tanzania. Malaria Journal.
  • Vis forfatter(e) 2013. Necrotizing soft tissue infections caused by Streptococcus pyogenes and Streptococcus dysgalactiae subsp equisimilis of groups C and G in western Norway. Clinical Microbiology and Infection (CMI). E545-E550.
  • Vis forfatter(e) 2013. Fever in the tropics: aetiology and case-fatality - a prospective observational study in a tertiary care hospital in South India. BMC Infectious Diseases. 8 sider.
  • Vis forfatter(e) 2013. Chronic fatigue syndrome 5 years after giardiasis: differential diagnoses, characteristics and natural course. BMC Gastroenterology. 17 sider.
  • Vis forfatter(e) 2013. Challenges in diagnosing paediatric malaria in Dar es Salaam, Tanzania. Malaria Journal.
  • Vis forfatter(e) 2013. CD64 as a potential biomarker in septic arthritis. BMC Infectious Diseases. 7 sider.
  • Vis forfatter(e) 2013. A novel, single-amplification PCR targeting mitochondrial genome highly sensitive and specific in diagnosing malaria among returned travellers in Bergen, Norway. Malaria Journal. 8 sider.
  • Vis forfatter(e) 2012. The impact of atopic disease on the risk of post-infectious fatigue and irritable bowel syndrome 3 years after Giardia infection. A historic cohort study. Scandinavian Journal of Gastroenterology. 956-961.
  • Vis forfatter(e) 2012. Penicillin resistance and serotype distribution of Streptococcus pneumoniae in nasopharyngeal carrier children under 5 years of age in Dar es Salaam, Tanzania. Journal of Medical Microbiology. 952-959.
  • Vis forfatter(e) 2012. PNPLA 3 I148M genetic variant associates with insulin resistance and baseline viral load in HCV genotype 2 but not in genotype 3 infection. BMC Medical Genetics. 7 sider.
  • Vis forfatter(e) 2012. Irritable bowel syndrome and chronic fatigue 3 years after acute giardiasis: historic cohort study. Gut. 214-219.
  • Vis forfatter(e) 2012. Impact of Obesity on the Bioavailability of Peginterferon-alpha 2a and Ribavirin and Treatment Outcome for Chronic Hepatitis C Genotype 2 or 3. PLOS ONE. 7 sider.
  • Vis forfatter(e) 2012. Impact of IL28B-related single nucleotide polymorphisms on liver histopathology in chronic hepatitis C genotype 2 and 3. PLOS ONE. 7 sider.
  • Vis forfatter(e) 2012. Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome. BMC Infectious Diseases. 258.
  • Vis forfatter(e) 2012. Early quantification of HCV core antigen may help to determine the duration of therapy for chronic genotype 2 or 3 HCV infection. European Journal of Clinical Microbiology and Infectious Diseases. 1631-1635.
  • Vis forfatter(e) 2012. Dual-priming oligonucleotides for broad-range amplification of the bacterial 16S rRNA gene directly from human clinical specimens. Journal of Clinical Microbiology. 1289-1294.
  • Vis forfatter(e) 2011. emm gene diversity, superantigen gene profiles and presence of SlaA among clinical isolates of group A, C and G streptococci from western Norway. European Journal of Clinical Microbiology and Infectious Diseases. 423-433.
  • Vis forfatter(e) 2011. Ribavirin plasma concentration is a predictor of sustained virological response in patients treated for chronic hepatitis C virus genotype 2/3 infection. Journal of Viral Hepatitis. 245-251.
  • Vis forfatter(e) 2011. Invasive group A, C and G streptococcal disease in western Norway: virulence gene profiles, clinical features and outcomes. Clinical Microbiology and Infection (CMI). 358-364.
  • Vis forfatter(e) 2011. Interleukin 28B gene variation at rs12979860 determines early viral kinetics during treatment in patients carrying genotypes 2 or 3 of hepatitis C virus. Journal of Infectious Diseases. 1748-1752.
  • Vis forfatter(e) 2011. Impetigo in a population over 8.5 years: Incidence, fusidic acid resistance and molecular characteristics. Journal of Antimicrobial Chemotherapy. 1360-1364.
  • Vis forfatter(e) 2011. Human cellular immune response against giardia lamblia 5 years after acute giardiasis. Journal of Infectious Diseases. 1779-1786.
  • Vis forfatter(e) 2011. Hepatitis C treatment response kinetics and impact of baseline predictors. Journal of Viral Hepatitis. 1-7.
  • Vis forfatter(e) 2011. Characterization of polybacterial clinical samples using a set of group-specific broad-range primers targeting the 16S rRNA gene followed by DNA sequencing and RipSeq analysis. Journal of Medical Microbiology. 927-936.
  • Vis forfatter(e) 2011. Age specific aetiological agents of diarrhoea in hospitalized children aged less than five years in Dar es Salaam, Tanzania. BMC Pediatrics. 6 sider.
  • Vis forfatter(e) 2010. Two unusual cases of severe soft tissue infection caused by streptococcus dysgalactiae subsp. equisimilis. Journal of Clinical Microbiology. 1484-1487.
  • Vis forfatter(e) 2010. Tuberculous meningitis and resistance to isoniazid. BMJ. British Medical Journal.
  • Vis forfatter(e) 2010. Post-infectious gastrointestinal symptoms after acute Giardiasis. A 1-year follow-up in general practice. Family Practice. 255-259.
  • Vis forfatter(e) 2010. Post epidemic giardiasis and gastrointestinal symptoms among preschool children in Bergen, Norway. A cross-sectional study. BMC Public Health. 8 sider.
  • Vis forfatter(e) 2010. Nonresponder Patients with Hepatitis C Virus Genotype 2/3 Infection: A Question of Low Systemic Interferon Concentrations? Clinical Infectious Diseases. E22-E25.
  • Vis forfatter(e) 2010. Giardiasis ? why do the symptoms sometimes never stop? Trends in Parasitology. 75-82.
  • Vis forfatter(e) 2010. Evaluation of depression as a risk factor for treatment failure in chronic hepatitis C. Hepatology. 430-435.
  • Vis forfatter(e) 2009. Severity of Giardia infection associated with post-infectious fatigue and abdominal symptoms two years after. BMC Infectious Diseases.
  • Vis forfatter(e) 2009. Severity of Giardia infection associated with post-infectious fatigue and abdominal symptoms two years after. BMC Infectious Diseases.
  • Vis forfatter(e) 2009. Prevalence of recurring symptoms after infection with Giardia lamblia in a non-endemic area. Scandinavian Journal of Primary Health Care. 12-17.
  • Vis forfatter(e) 2009. Prevalence of recurring symptoms after infection with Giardia lamblia in a non-endemic area. Scandinavian Journal of Primary Health Care. 12-17.
  • Vis forfatter(e) 2009. Molecular epidemiological investigation of an outbreak of invasive beta-haemolytic streptococcal infection in western Norway. Clinical Microbiology and Infection (CMI). 245-252.
  • Vis forfatter(e) 2009. High rate of fatigue and abdominal symptoms two years after an outbreak of giardiasis. Transactions of the Royal Society of Tropical Medicine and Hygiene. 530-532.
  • Vis forfatter(e) 2009. High rate of fatigue and abdominal symptoms 2 years after an outbreak of giardiasis. Transactions of the Royal Society of Tropical Medicine and Hygiene. 530-532.
  • Vis forfatter(e) 2009. Direct 16S rDNA sequencing from clinical specimens with special focus on poly-bacterial samples and interpretation of mixed DNA chromatograms. Journal of Clinical Microbiology. 3562-3568.
  • Vis forfatter(e) 2009. Development of functional gastrointestinal disorders after Giardia lamblia infection. BMC Gastroenterology.
  • Vis forfatter(e) 2008. Treatment-ladder and genetic characterisation of parasites in refractory giardiasis after an outbreak in Norway. Journal of Infection. 268-273.
  • Vis forfatter(e) 2008. Treatment-ladder and genetic characterisation of parasites in refractory giardiasis after an outbreak in Norway. Journal of Infection. 268-273.
  • Vis forfatter(e) 2008. Sensitivity of a Giardia antigen test in persistent giardiasis following an extensive outbreak. Clinical Microbiology and Infection (CMI). 1069-1071.
  • Vis forfatter(e) 2008. Sensitivity of a Giardia antigen test in persistent giardiasis following an extensive outbreak. Clinical Microbiology and Infection (CMI). 1069-1071.
  • Vis forfatter(e) 2008. Real-time quantitative PCR in the diagnosis of tuberculosis in formalin-fixed paraffin-embedded pleural tissue in patients from a high HIV endemic area. Diagnostic molecular pathology (Print). 112-117.
  • Vis forfatter(e) 2008. Rapid and Specific Diagnosis of Tuberculous Pleuritis With Immunohistochemistry by Detecting Mycobacterium tuberculosis Complex Specific Antigen MPT64 in Patients From a HIV Endemic Area. Applied immunohistochemistry & molecular morphology (Print). 554-561.
  • Vis forfatter(e) 2008. Randomized comparison of 12 or 24 weeks of peginterferon alpha-2a and ribavirin in chronic hepatitis C virus genotype 2/3 infection. Hepatology. 1837-1835.
  • Vis forfatter(e) 2008. Falciparum malaria and HIV-1 in hospitalized adults in Maputo, Mozambique: does HIV-infection obscure the malaria diagnosis? Malaria Journal.
  • Vis forfatter(e) 2008. Evaluation of immune responses in HIV infected patients with pleural tuberculosis by the QuantiFERON (R) TB-Gold interferon-gamma assay. BMC Infectious Diseases. 8 sider.
  • Vis forfatter(e) 2008. Effects of albendazole/metronidazole or tetracycline/folate treatments on persisting symptoms after Giardia infection: A randomized open clinical trial. Scandinavian Journal of Infectious Diseases. 517-522.
  • Vis forfatter(e) 2008. Distribution of emm types and subtypes among noninvasive group A, C and G streptococcal isolates in western Norway. APMIS - Journal of Pathologiy, Microbiology and Immunology. 457-464.
  • Vis forfatter(e) 2008. Demographics of Giardia infections in Bergen, Norway, subsequent to a waterborne outbreak. Scandinavian Journal of Infectious Diseases. 189-192.
  • Vis forfatter(e) 2008. Demographics of Giardia infections in Bergen, Norway, subsequent to a waterborne outbreak. Scandinavian Journal of Infectious Diseases. 189-192.
  • Vis forfatter(e) 2008. Cutpoints for mild, moderate and severe pain in patients with osteoarthritis of the hip or knee ready for joint replacement surgery. BMC Musculoskeletal Disorders. 9 sider.
  • Vis forfatter(e) 2008. Adenosine deaminase activity is a sensitive marker for the diagnosis of tuberculous pleuritis in patients with very low CD4 counts. PLOS ONE.
  • Vis forfatter(e) 2007. Prevalence of enteropathogenic viruses and molecular characterization of group A rotavirus among children with diarrhea in Dar es Salaam Tanzania. BMC Public Health. 6 sider.
  • Vis forfatter(e) 2007. Persisting symptoms and duodenal inflammation related to Giardia duodenalis infection. Journal of Infection. 524-530.
  • Vis forfatter(e) 2007. Molecular characterisation of Giardia isolates from clinical infections following a waterborne outbreak. Journal of Infection. 79-88.
  • Vis forfatter(e) 2007. Molecular characterisation of Giardia isolates from clinical infections following a waterborne outbreak. Journal of Infection. 79-88.
  • Vis forfatter(e) 2007. Identification of diarrheagenic Escherichia coli isolated from infants and children in Dar es Salaam, Tanzania. BMC Infectious Diseases. 7 sider.
  • Vis forfatter(e) 2007. Herpes simplex virus infection and genital ulcer disease among patients with sexually transmitted infections in Dar es Salaam, Tanzania. Acta Dermato-Venereologica. 355-359.
  • Vis forfatter(e) 2007. Extended-spectrum beta-lactamase-type SHV-12-producing Enterobacteriaceae causing septicemia in Tanzanian children: vectors for horizontal transfer of antimicrobial resistance. Diagnostic microbiology and infectious disease. 351-354.
  • Vis forfatter(e) 2007. Changes in pain, stiffness and physical function in patients with osteoarthritis, waiting for hip or knee joint replacement surgery. Osteoarthritis and Cartilage.
  • Vis forfatter(e) 2007. Avdekking av giardiasisutbruddet i Bergen 2004. Tidsskrift for Den norske legeforening. 2222-2225.
  • Vis forfatter(e) 2007. Antimicrobial resistance predicts death in Tanzanian children with bloodstream infections: a prospective cohort study. BMC Infectious Diseases.
  • Vis forfatter(e) 2006. Prevalence of antibodies against herpes simplex virus types 1 and 2 in children and young people in an urban region in Tanzania. Journal of Clinical Microbiology. 2801-2807.
  • Vis forfatter(e) 2006. Demographic and behavioural factors in Tanzanian and Norwegian patients with sexually transmitted infections. Acta Dermato-Venereologica. 320-328.
  • Vis forfatter(e) 2006. Cryptosporidium parvum infections in Bergen, Norway, during an extensive outbreak of waterborne giardiasis in autumn and winter 2004. Applied and Environmental Microbiology. 2218-2220.
  • Vis forfatter(e) 2006. Application of Genotyping during an Extensive Outbreak of Waterborne Giardiasis in Bergen, Norway, during Autumn and Winter 2004. Applied and Environmental Microbiology. 2212-2217.
  • Vis forfatter(e) 2006. A large community outbreak of waterborne giardiasis-delayed detection in a non-endemic urban area. BMC Public Health. 10 sider.
  • Vis forfatter(e) 2005. Prevalence of, and risk factors for, HSV-2 antibodies in sexually transmitted disease patients, healthy pregnant females, blood donors and medical students in Tanzania and Norway. Epidemiology and Infection. 915-925.
  • Vis forfatter(e) 2005. Kan poliomyelitt utryddes i nær fremtid? Tidsskrift for Den norske legeforening. 2516-2517.
  • Vis forfatter(e) 2005. High rate of fatal cases of pediatric septicemia caused by gram-negative bacteria with extended-spectrum beta-lactamases in Dar es Salaam, Tanzania. Journal of Clinical Microbiology. 745-749.
  • Vis forfatter(e) 2005. Extended spectrum beta-lactamases among Gram-negative bacteria of nosocomial origin from an Intensive Care Unit of a tertiary health facility in Tanzania. BMC Infectious Diseases. 86.
  • Vis forfatter(e) 2005. Comparison of serotyping, pulsed field gel electrophoresis and amplified fragment length polymorphism for typing of Streptococcus pneumoniae. Journal of Medical Microbiology. 467-472.
  • Vis forfatter(e) 2005. Antimicrobial resistance in urinary bacterial isolates from pregnant women in rural Tanzania: Implications for public health. Scandinavian Journal of Infectious Diseases. 262-268.
  • Vis forfatter(e) 2005. A multi-centre prospective study of febrile neutropenia in Norway: microbiological findings and antimicrobial susceptibility. APMIS - Journal of Pathologiy, Microbiology and Immunology. 455-464.
  • Vis forfatter(e) 2005. A branched, synthetic oligopeptide corresponding to a region of glycoprotein G of HSV-1 reacts sensitively and specifically with HSV-1 antibodies in an ELISA. Journal of Virological Methods. 137-143.
  • Vis forfatter(e) 2004. Surveillance of antimicrobial resistance at a tertiary hospital in Tanzania. BMC Public Health. 45.
  • Vis forfatter(e) 2004. Role of penicillin-binding protein 5 C-terminal amino acid substitutions in conferring ampicillin resistance in Norwegian clinical strains of Enterococcus faecium. APMIS - Journal of Pathologiy, Microbiology and Immunology. 291-298.
  • Vis forfatter(e) 2004. Population-based hematologic and immunologic reference values for a healthy Ugandan population. Clinical and Laboratory Immunology. 29-34.
  • Vis forfatter(e) 2004. Nosocomial outbreak of neonatal Salmonella enterica serotype Enteritidis meningitis in a rural hospital in northern Tanzania. BMC Infectious Diseases. 35.
  • Vis forfatter(e) 2004. Neonatal morbidity and mortality in a Tanzanian tertiary care referral hospital. Annals of Tropical Paediatrics. 293-299.
  • Vis forfatter(e) 2004. Lifestyle and late effects after poliomyelitis. A risk factor study of two populations. Acta Neurologica Scandinavica. 120-125.
  • Vis forfatter(e) 2004. Immunoglobulin levels amongst persons with and without human immunodeficiency virus type 1 infection in Uganda and Norway. Scandinavian Journal of Immunology. 203-208.
  • Vis forfatter(e) 2004. Duplex real-time PCR assay for rapid detection of ampicillin-resistant Enterococcus faecium. Antimicrobial Agents and Chemotherapy. 556-560.
  • Vis forfatter(e) 2004. Comparative analysis of amplified fragment length polymorphism and pulsed field gel electrophoresis in a hospital outbreak and subsequent endemicity of ampicillin-resistant Enterococcus faecium. FEMS Immunology and Medical Microbiology. 33-39.
  • Vis forfatter(e) 2003. Performance characteristics of a glycoprotein G based oligopeptide (peptide 55) and two different methods using the complete glycoprotein as assays for detection of anti-HSV-2 antibodies in human sera. Journal of Virological Methods. 21-27.
  • Vis forfatter(e) 2003. Detection of viral sequences in archival spinal cords from fatal cases of poliomyelitis in 1951-1952. Journal of Virological Methods. 91-96.
  • Vis forfatter(e) 2000. Risk of symptoms related to late effects of poliomyelitis. Acta Neurologica Scandinavica. 153-158.
  • Vis forfatter(e) 2000. Outbreak of multiresistant Enterococcus faecium in a Norwegian university hospital - risk factors for faecal colonisation. APMIS - Journal of Pathologiy, Microbiology and Immunology. 296-302.
  • Vis forfatter(e) 2000. Nosocomial outbreak of ampicillin resistant Enterococcus faecium: Risk factors for infection and fatal outcome. Journal of Hospital Infection. 135-144.
  • Vis forfatter(e) 2000. Nosocomial outbreak of ampicillin resistant Enterococcus faecium. Risk factors for infection and fatal outcome. Ethiopian Journal of Health Development. 135-144.
  • Vis forfatter(e) 2000. Eradication of non-typhoid salmonellae in acute enteritis after therapy with ofloxacin for 5 or 10 days. Journal of Antimicrobial Chemotherapy. 457-459.
  • Vis forfatter(e) 2000. Emergence of vancomycinresistant E. faecium in a clonal hospital outbreak of multiresistant E. faecium. Clinical Microbiology and Infection (CMI). 19-28.
  • Vis forfatter(e) 2000. Antimicrobial susceptibility patterns of Shigella isolated in Awassa. Ethiopian Journal of Health Development. 149-154.
  • Vis forfatter(e) 2000. Antimicrobial sensitivity of Staphylococcus aureus strains at Muhimbili Medical Centre, Dar es Salaam, Tanzania: low prevalence of methicillin resistant Staphylococcus aureus. East African Medical Journal. 693-695.
  • Vis forfatter(e) 1998. Prevalence of HSV-2 antibodies among STD clinic patients in Tanzania. International Journal of STD and AIDS. 104-107.
  • Vis forfatter(e) 1998. Prevalence of HSV-2 antibodies among STD clinic patients in Tanzania. International Journal of STD and AIDS. 104-107.
  • Vis forfatter(e) 1998. Infeksjoner forårsaket av multiresistente enterokokker i Norge. Tidsskrift for Den norske legeforening. 4070-4073.
  • Vis forfatter(e) 1998. Infeksjoner forårsaket av multiresistente enterokokker i Norge. Tidsskrift for Den norske legeforening. 4070-4073.
  • Vis forfatter(e) 1998. Infeksjoner forårsaket av multiresistente enterokokker i Norge. Tidsskrift for Den norske legeforening. 4070-4073.
  • Vis forfatter(e) 1998. Identification of the UL4 protein of herpes simplex virus type 1. Journal of General Virology. 3033-3038.
  • Vis forfatter(e) 1997. Poliomyelitt - ikke en utdødd sykdom. Tidsskrift for Den norske legeforening. 494-497.
Vitenskapelig foredrag
  • Vis forfatter(e) 2019. Prolonged and persistent diarrhoea in children: a case-control study in Ethiopia.
  • Vis forfatter(e) 2019. Auramine-phenol staining and light-emitting diode fluorescence microscopy and a rapid dipstick test for detection of Cryptosporidium infection: a diagnostic accuracy study in a university hospital and a rural health centre in Ethiopia.
  • Vis forfatter(e) 2018. ETEC strain TW10722 may be suitable for use in vaccine challenge studies for testing heat-stable toxoid based vaccine candidates.
  • Vis forfatter(e) 2017. Low-cost point-of-care diagnosis of Cryptosporidium infection in resource limited settings – the CRYPTO-POC study.
  • Vis forfatter(e) 2017. Irritable bowel syndrome, chronic fatigue and quality of life ten years after a Giardia lamblia epidemic in Norway 2004.
  • Vis forfatter(e) 2017. Developing a controlled human infection model for testing heat-stable toxoid-based vaccine candidates for enterotoxigenic Escherichia coli diarrhea.
  • Vis forfatter(e) 2016. Irritable bowel syndrome and chronic fatigue ten years after giardia infection: a controlled prospective cohort study.
  • Vis forfatter(e) 2014. Flow cytometric method for characterization of human T cell responses against Giardia lamblia.
  • Vis forfatter(e) 2009. Giardiasis in non-endemic areas: molecular characterization as a predictor for clinical picture, treatment outcome, and persistence.
  • Vis forfatter(e) 2002. Lang tids overlevelsesanalyse av sementerte og usementerte totalproteser i kneleddet. En norsk multisenterstudie.
  • Vis forfatter(e) 1998. Outbreak of multiresistant enterococcus faecium in a Norwegian university hospital - riskfactors for infection.
  • Vis forfatter(e) 1998. Outbreak of multiresistant enterococcus faecium in a Norwegian university hospital - riskfactors for faecal colonization.
Doktorgradsavhandling
  • Vis forfatter(e) 2004. Affordable alternatives for managing HIV infected patients in a resource-poor country, Uganda.
Sammendrag/abstract
  • Vis forfatter(e) 2016. Irritable bowel syndrome ten years after acute Giardia lamblia infection: A controlled prospective cohort study. Neurogastroenterology and Motility. 59-59.
  • Vis forfatter(e) 2012. Impact of Inosine Triphosphatase (ITPA) Gene Variants on Anemia, Ribavirin Concentrations, and Outcome During Therapy for HCV Genotype 2/3. Hepatology. 1023A-1023A.
  • Vis forfatter(e) 2012. Duodenal mucosal lymphocyte subgroups in patients with persisting abdominal symptoms after Giardia lamblia infection. Neurogastroenterology and Motility. 172-172.
  • Vis forfatter(e) 2011. The efficiency of re-treatment with peg-interferon and ribavirin in patients with chronic hepatitis C infection genotype 2 or 3 with prior relapse. Hepatology. 1002A-1003A.
  • Vis forfatter(e) 2011. Impact of obesity on the bioavailability of peginterferon-alpha 2A and ribavirin and treatment outcome for chronic hepatitis C genotype 2 or 3. Hepatology. 1321A-1322A.
  • Vis forfatter(e) 2010. IMPORTANCE OF HCV CORE ANTIGEN BELOW 0.2 PG/ML DAY 3 IN SHORT-TERM PEG-INTERFERON THERAPY FOR CHRONIC GENOTYPE2/3 INFECTION. Hepatology. 813A-813A.
  • Vis forfatter(e) 2009. EVALUATION OF THE ROUTINE MEDICAL INTERVIEW TO IDENTIFY HEPATITIS C PATIENTS DEVELOPING MAJOR DEPRESSION DURING PEGINTERFERON ALFA-2A PLUS RIBAVIRIN TREATMENT USING THE MAJOR DEPRESSION INVENTORY. Journal of Hepatology. S154-S154.
  • Vis forfatter(e) 2008. Twelve weeks of treatment is insufficient for HCV genotype 2 and 3 infected patients with steatosis. Journal of Hepatology. S314-S315.
  • Vis forfatter(e) 2007. Peginterferon alfa-2a and ribavirin for 12 or 24 weeks in patients with HCV genotype 2/3: The nordynamic trial. Hepatology. 815A-816A.
  • Vis forfatter(e) 2007. Comparison of peginterferon alpha-2a and ribavirin for 12 or 24 weeks in patients with HCV genotype 2/3: The nordynamic trial. Journal of Hepatology. S229-S229.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) 2010. Giardiasis - why do the symptoms sometimes never stop? Trends in Parasitology. 75-82.
  • Vis forfatter(e) 2008. Medikamentresistens ved tuberkulose. Tidsskrift for Den norske legeforening. 2588-2592.
  • Vis forfatter(e) 2008. Medikamentell resistens vid HIV-infektion. Tidsskrift for Den norske legeforening. 2593-2596.

Se fullstendig oversikt over publikasjoner i CRIStin.

1. Search for genetic resistance deteminants in Giardia

2. Diarrhoeal disease in children, projects in Tanzania and Ethiopia

3. RCT on cotrimoxazole prophylaxis in HIV patients in Tanzania

4. Probiotics to prevent infant sepsis and mortality in Tanzania