- E-mailNina.Langeland@uib.no
- Visitor AddressHaukeland universitetssykehus, Laboratoriebygget5009 Bergen
- Postal AddressPostboks 78045020 Bergen
Research on clinical infectious diseases and outbreak investigations. Postinfectious syndromes. Several projects on the importance of antimicrobial resistance and ESBLs on morbidity and mortality in children in Tanzania. Placebo-controlled RCTs on cotrimoxazole prophylaxis in HIV infected patients with CD4 count over 350, and on hepatitis C treatment. Recently completed RCT on probiotics to newborn babies. Clinical studies on COVID-19 including attack rate studies, vaccination and postinfectious complications. Ongoing placebo-controlled trial on antiviral treatment of COVID-19 and effect on long-term complications.
Experience in phase 1 studies, cohohort and case control studies, and randomized controlled trials.
Academic article
- (2022). Titers of antibodies against ancestral SARS-CoV-2 correlate with levels of neutralizing antibodies to multiple variants. npj Vaccines. 11 pages.
- (2022). The performances of three commercially available assays for the detection of SARS‐CoV‐2 antibodies at different time points following SARS‐CoV‐2 infection. Viruses. 1-11.
- (2022). Symptom Burden and Immune Dynamics 6 to 18 Months Following Mild Severe Acute Respiratory Syndrome Coronavirus 2 Infection (SARS-CoV-2): A Case-control Study. Clinical Infectious Diseases.
- (2022). SARS CoV-2 Infection among Health Care Workers from Different Health Care Facilities in Western Norway: A Prospective, Cross-Sectional Study. Viruses. 8 pages.
- (2022). Oocyst Shedding Dynamics in Children with Cryptosporidiosis: a Prospective Clinical Case Series in Ethiopia. Microbiology spectrum. 1-11.
- (2022). No difference in serum levels of B-cell activating receptor and antibodies against cytolethal distending toxin B and flagellin in post-infectious irritable bowel syndrome and chronic fatigue syndrome after Giardia infection. Journal of Gastroenterology and Hepatology Open (JGH Open). 185-188.
- (2022). Malaria prevalence and performance of diagnostic tests among patients hospitalized with acute undifferentiated fever in Zanzibar. Malaria Journal. 1-8.
- (2022). Gastrointestinal colonization of extended-spectrum beta-lactamase-producing bacteria among children below five years of age hospitalized with fever in Dar es Salaam, Tanzania. Journal of Global Antimicrobial Resistance. 107-114.
- (2022). First identification of bla NDM-5 producing Escherichia coli from neonates and a HIV infected adult in Tanzania. Journal of Medical Microbiology. 11 pages.
- (2022). Durable T-cellular and humoral responses in SARS-CoV-2 hospitalized and community patients. PLOS ONE. 16 pages.
- (2022). A rapid antibody screening haemagglutination test for predicting immunity to SARS-CoV-2 variants of concern. Communications Medicine. 11 pages.
- (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.
- (2021). Molecular characterisation of the first New Delhi metallo-β-lactamase 1-producing Acinetobacter baumannii from Tanzania. Transactions of the Royal Society of Tropical Medicine and Hygiene. 1080-1085.
- (2021). Lower antibiotic prescription rates in hospitalized COVID-19 patients than influenza patients, a prospective study. Infectious Diseases. 1-12.
- (2021). IL-18 and IL-18 binding protein are related to disease severity and parasitemia during falciparum malaria. BMC Infectious Diseases. 10 pages.
- (2021). Delirium screening with 4AT in patients aged 65 years and older admitted to the Emergency Department with suspected sepsis: a prospective cohort study. European Geriatric Medicine. 1-8.
- (2021). Clinical features of gastroenteritis during a large waterborne Campylobacter outbreak in Askøy, Norway. Infection. 343-354.
- (2021). Attack rates amongst household members of outpatients with confirmed COVID-19 in Bergen, Norway: A case-ascertained study. The Lancet Regional Health - Europe. 9 pages.
- (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.
- (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.
- (2020). Point-of-care influenza testing impacts clinical decision, patient flow and length of stay in hospitalized adults. Journal of Infectious Diseases. 97-108.
- (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.
- (2019). Quality of life and its association with irritable bowel syndrome and fatigue ten years after giardiasis. Neurogastroenterology and Motility.
- (2019). Prolonged and persistent diarrhoea is not restricted to children with acute malnutrition: an observational study in Ethiopia. Tropical medicine & international health. 1088-1097.
- (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.
- (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 pages.
- (2018). Transient elevation of anti-transglutaminase and anti-endomysium antibodies in Giardia infection. Scandinavian Journal of Gastroenterology. 809-812.
- (2018). Prevalence of irritable bowel syndrome and chronic fatigue 10 years after giardia infection. Clinical Gastroenterology and Hepatology. 1064-1072.
- (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.
- (2017). Giardia-specific cellular immune responses in post-giardiasis chronic fatigue syndrome. BMC Immunology. 1-8.
- (2017). Genetic variation in potential Giardia vaccine candidates cyst wall protein 2 and α1-giardin. Parasitology Research. 2151-2158.
- (2017). Epidemiology and impact on all-cause mortality of sepsis in Norwegian hospitals: A national retrospective study. PLOS ONE. 1-13.
- (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.
- (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.
- (2017). An observational study of community-acquired severe sepsis comparing intensive care and non-intensive care patients. Acta Anaesthesiologica Scandinavica. 194-204.
- (2017). Acute undifferentiated fever in India: A multicentre study of aetiology and diagnostic accuracy. BMC Infectious Diseases. 1-11.
- (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.
- (2016). Salivary IgA from the sublingual compartment as a novel noninvasive proxy for intestinal immune induction. Mucosal Immunology. 884-893.
- (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.
- (2016). Human Memory CD4+ T Cell Immune Responses against Giardia lamblia. Clinical and Vaccine Immunology. 11-18.
- (2016). High prevalence of faecal carriage of esbl-producing enterobacteriaceae among children in Dar es Salaam, Tanzania. PLOS ONE.
- (2016). Excessive daytime sleepiness, sleep need and insomnia 3 years after Giardia infection: A cohort study. Sleep Health. 154-158.
- (2016). Etiology of cellulitis and clinical prediction of streptococcal disease: A prospective study. Open Forum Infectious Diseases.
- (2016). Early Response in Cellulitis: A Prospective Study of Dynamics and Predictors. Clinical Infectious Diseases. 1034-1041.
- (2016). A high malaria prevalence identified by PCR among patients with acute undifferentiated fever in India. PLOS ONE.
- (2015). Whole genome sequencing of clinical isolates of Giardia lamblia. Clinical Microbiology and Infection (CMI). 192.e1-192.e3.
- (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.
- (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.
- (2015). Perceived food intolerance and irritable bowel syndrome in a population 3 years after a giardiasis-outbreak: a historical cohort study. BMC Gastroenterology.
- (2015). Global collaboration bears fruit: Tanzania report. Kidney International. 1211-1214.
- (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.
- (2015). Complement activation correlates with disease severity and contributes to cytokine responses in plasmodium falciparum malaria. Journal of Infectious Diseases. 1835-1840.
- (2014). Variants of the inosine triphosphate pyrophosphatase gene are associated with reduced relapse risk following treatment for HCV genotype 2/3. Hepatology. 2131-2139.
- (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.
- (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.
- (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.
- (2014). Prevalence and molecular characterisation of human adenovirus in diarrhoeic children in Tanzania; a case control study. BMC Infectious Diseases. 9 pages.
- (2014). PCR targeting Plasmodium mitochondrial genome of DNA extracted from dried blood on filter paper compared to whole blood. Malaria Journal.
- (2014). Irritable bowel syndrome and chronic fatigue 6 years after Giardia infection: A controlled prospective cohort study. Clinical Infectious Diseases. 1394-1400.
- (2014). Increased severity and mortality in adults co-infected with malaria and HIV in Maputo, Mozambique: a prospective cross-sectional study. PLOS ONE.
- (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.
- (2014). High nasal carriage of methicillin-resistant staphylococcus aureus among healthy tanzanian under-5 children. Microbial Drug Resistance. 82-88.
- (2014). Genetic diversity of norovirus in hospitalised diarrhoeic children and asymptomatic controls in Dar es Salaam, Tanzania. Infection, Genetics and Evolution. 340-347.
- (2014). Genetic diversity of circulating rotavirus strains in Tanzania prior to the introduction of vaccination. PLOS ONE.
- (2014). Experimental infection of healthy volunteers with enterotoxigenic Escherichia coli wild-type strain TW10598 in a hospital ward. BMC Infectious Diseases. 9 pages.
- (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 pages.
- (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.
- (2014). Aetiology, antimicrobial therapy and outcome of patients with community acquired severe sepsis: A prospective study in a Norwegian university hospital. BMC Infectious Diseases.
- (2014). A novel fibrosis index comprising a non-cholesterol sterol accurately predicts HCV-related liver cirrhosis. PLOS ONE.
- (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.
- (2013). No asymptomatic malaria parasitaemia found among 108 young children at one health facility in Dar es Salaam, Tanzania. Malaria Journal.
- (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.
- (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 pages.
- (2013). Chronic fatigue syndrome 5 years after giardiasis: differential diagnoses, characteristics and natural course. BMC Gastroenterology. 17 pages.
- (2013). Challenges in diagnosing paediatric malaria in Dar es Salaam, Tanzania. Malaria Journal.
- (2013). CD64 as a potential biomarker in septic arthritis. BMC Infectious Diseases. 7 pages.
- (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 pages.
- (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.
- (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.
- (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 pages.
- (2012). Irritable bowel syndrome and chronic fatigue 3 years after acute giardiasis: historic cohort study. Gut. 214-219.
- (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 pages.
- (2012). Impact of IL28B-related single nucleotide polymorphisms on liver histopathology in chronic hepatitis C genotype 2 and 3. PLOS ONE. 7 pages.
- (2012). Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome. BMC Infectious Diseases. 258.
- (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.
- (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.
- (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.
- (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.
- (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.
- (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.
- (2011). Impetigo in a population over 8.5 years: Incidence, fusidic acid resistance and molecular characteristics. Journal of Antimicrobial Chemotherapy. 1360-1364.
- (2011). Human cellular immune response against giardia lamblia 5 years after acute giardiasis. Journal of Infectious Diseases. 1779-1786.
- (2011). Hepatitis C treatment response kinetics and impact of baseline predictors. Journal of Viral Hepatitis. 1-7.
- (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.
- (2011). Age specific aetiological agents of diarrhoea in hospitalized children aged less than five years in Dar es Salaam, Tanzania. BMC Pediatrics. 6 pages.
- (2010). Two unusual cases of severe soft tissue infection caused by streptococcus dysgalactiae subsp. equisimilis. Journal of Clinical Microbiology. 1484-1487.
- (2010). Tuberculous meningitis and resistance to isoniazid. BMJ. British Medical Journal.
- (2010). Post-infectious gastrointestinal symptoms after acute Giardiasis. A 1-year follow-up in general practice. Family Practice. 255-259.
- (2010). Post epidemic giardiasis and gastrointestinal symptoms among preschool children in Bergen, Norway. A cross-sectional study. BMC Public Health. 8 pages.
- (2010). Nonresponder Patients with Hepatitis C Virus Genotype 2/3 Infection: A Question of Low Systemic Interferon Concentrations? Clinical Infectious Diseases. E22-E25.
- (2010). Giardiasis ? why do the symptoms sometimes never stop? Trends in Parasitology. 75-82.
- (2010). Evaluation of depression as a risk factor for treatment failure in chronic hepatitis C. Hepatology. 430-435.
- (2009). Severity of Giardia infection associated with post-infectious fatigue and abdominal symptoms two years after. BMC Infectious Diseases.
- (2009). Severity of Giardia infection associated with post-infectious fatigue and abdominal symptoms two years after. BMC Infectious Diseases.
- (2009). Prevalence of recurring symptoms after infection with Giardia lamblia in a non-endemic area. Scandinavian Journal of Primary Health Care. 12-17.
- (2009). Prevalence of recurring symptoms after infection with Giardia lamblia in a non-endemic area. Scandinavian Journal of Primary Health Care. 12-17.
- (2009). Molecular epidemiological investigation of an outbreak of invasive beta-haemolytic streptococcal infection in western Norway. Clinical Microbiology and Infection (CMI). 245-252.
- (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.
- (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.
- (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.
- (2009). Development of functional gastrointestinal disorders after Giardia lamblia infection. BMC Gastroenterology.
- (2008). Treatment-ladder and genetic characterisation of parasites in refractory giardiasis after an outbreak in Norway. Journal of Infection. 268-273.
- (2008). Treatment-ladder and genetic characterisation of parasites in refractory giardiasis after an outbreak in Norway. Journal of Infection. 268-273.
- (2008). Sensitivity of a Giardia antigen test in persistent giardiasis following an extensive outbreak. Clinical Microbiology and Infection (CMI). 1069-1071.
- (2008). Sensitivity of a Giardia antigen test in persistent giardiasis following an extensive outbreak. Clinical Microbiology and Infection (CMI). 1069-1071.
- (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.
- (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.
- (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.
- (2008). Falciparum malaria and HIV-1 in hospitalized adults in Maputo, Mozambique: does HIV-infection obscure the malaria diagnosis? Malaria Journal.
- (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 pages.
- (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.
- (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.
- (2008). Demographics of Giardia infections in Bergen, Norway, subsequent to a waterborne outbreak. Scandinavian Journal of Infectious Diseases. 189-192.
- (2008). Demographics of Giardia infections in Bergen, Norway, subsequent to a waterborne outbreak. Scandinavian Journal of Infectious Diseases. 189-192.
- (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 pages.
- (2008). Adenosine deaminase activity is a sensitive marker for the diagnosis of tuberculous pleuritis in patients with very low CD4 counts. PLOS ONE.
- (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 pages.
- (2007). Persisting symptoms and duodenal inflammation related to Giardia duodenalis infection. Journal of Infection. 524-530.
- (2007). Molecular characterisation of Giardia isolates from clinical infections following a waterborne outbreak. Journal of Infection. 79-88.
- (2007). Molecular characterisation of Giardia isolates from clinical infections following a waterborne outbreak. Journal of Infection. 79-88.
- (2007). Identification of diarrheagenic Escherichia coli isolated from infants and children in Dar es Salaam, Tanzania. BMC Infectious Diseases. 7 pages.
- (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.
- (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.
- (2007). Changes in pain, stiffness and physical function in patients with osteoarthritis, waiting for hip or knee joint replacement surgery. Osteoarthritis and Cartilage.
- (2007). Avdekking av giardiasisutbruddet i Bergen 2004. Tidsskrift for Den norske legeforening. 2222-2225.
- (2007). Antimicrobial resistance predicts death in Tanzanian children with bloodstream infections: a prospective cohort study. BMC Infectious Diseases.
- (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.
- (2006). Demographic and behavioural factors in Tanzanian and Norwegian patients with sexually transmitted infections. Acta Dermato-Venereologica. 320-328.
- (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.
- (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.
- (2006). A large community outbreak of waterborne giardiasis-delayed detection in a non-endemic urban area. BMC Public Health. 10 pages.
- (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.
- (2005). Kan poliomyelitt utryddes i nær fremtid? Tidsskrift for Den norske legeforening. 2516-2517.
- (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.
- (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.
- (2005). Comparison of serotyping, pulsed field gel electrophoresis and amplified fragment length polymorphism for typing of Streptococcus pneumoniae. Journal of Medical Microbiology. 467-472.
- (2005). Antimicrobial resistance in urinary bacterial isolates from pregnant women in rural Tanzania: Implications for public health. Scandinavian Journal of Infectious Diseases. 262-268.
- (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.
- (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.
- (2004). Surveillance of antimicrobial resistance at a tertiary hospital in Tanzania. BMC Public Health. 45.
- (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.
- (2004). Population-based hematologic and immunologic reference values for a healthy Ugandan population. Clinical and Laboratory Immunology. 29-34.
- (2004). Nosocomial outbreak of neonatal Salmonella enterica serotype Enteritidis meningitis in a rural hospital in northern Tanzania. BMC Infectious Diseases. 35.
- (2004). Neonatal morbidity and mortality in a Tanzanian tertiary care referral hospital. Annals of Tropical Paediatrics. 293-299.
- (2004). Lifestyle and late effects after poliomyelitis. A risk factor study of two populations. Acta Neurologica Scandinavica. 120-125.
- (2004). Immunoglobulin levels amongst persons with and without human immunodeficiency virus type 1 infection in Uganda and Norway. Scandinavian Journal of Immunology. 203-208.
- (2004). Duplex real-time PCR assay for rapid detection of ampicillin-resistant Enterococcus faecium. Antimicrobial Agents and Chemotherapy. 556-560.
- (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.
- (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.
- (2003). Detection of viral sequences in archival spinal cords from fatal cases of poliomyelitis in 1951-1952. Journal of Virological Methods. 91-96.
- (2000). Risk of symptoms related to late effects of poliomyelitis. Acta Neurologica Scandinavica. 153-158.
- (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.
- (2000). Nosocomial outbreak of ampicillin resistant Enterococcus faecium: Risk factors for infection and fatal outcome. Journal of Hospital Infection. 135-144.
- (2000). Nosocomial outbreak of ampicillin resistant Enterococcus faecium. Risk factors for infection and fatal outcome. Ethiopian Journal of Health Development. 135-144.
- (2000). Eradication of non-typhoid salmonellae in acute enteritis after therapy with ofloxacin for 5 or 10 days. Journal of Antimicrobial Chemotherapy. 457-459.
- (2000). Emergence of vancomycinresistant E. faecium in a clonal hospital outbreak of multiresistant E. faecium. Clinical Microbiology and Infection (CMI). 19-28.
- (2000). Antimicrobial susceptibility patterns of Shigella isolated in Awassa. Ethiopian Journal of Health Development. 149-154.
- (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.
- (1998). Prevalence of HSV-2 antibodies among STD clinic patients in Tanzania. International Journal of STD and AIDS. 104-107.
- (1998). Prevalence of HSV-2 antibodies among STD clinic patients in Tanzania. International Journal of STD and AIDS. 104-107.
- (1998). Infeksjoner forårsaket av multiresistente enterokokker i Norge. Tidsskrift for Den norske legeforening. 4070-4073.
- (1998). Infeksjoner forårsaket av multiresistente enterokokker i Norge. Tidsskrift for Den norske legeforening. 4070-4073.
- (1998). Infeksjoner forårsaket av multiresistente enterokokker i Norge. Tidsskrift for Den norske legeforening. 4070-4073.
- (1998). Identification of the UL4 protein of herpes simplex virus type 1. Journal of General Virology. 3033-3038.
- (1997). Poliomyelitt - ikke en utdødd sykdom. Tidsskrift for Den norske legeforening. 494-497.
Academic lecture
- (2019). Prolonged and persistent diarrhoea in children: a case-control study in Ethiopia.
- (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.
- (2018). ETEC strain TW10722 may be suitable for use in vaccine challenge studies for testing heat-stable toxoid based vaccine candidates.
- (2017). Low-cost point-of-care diagnosis of Cryptosporidium infection in resource limited settings – the CRYPTO-POC study.
- (2017). Irritable bowel syndrome, chronic fatigue and quality of life ten years after a Giardia lamblia epidemic in Norway 2004.
- (2017). Developing a controlled human infection model for testing heat-stable toxoid-based vaccine candidates for enterotoxigenic Escherichia coli diarrhea.
- (2016). Irritable bowel syndrome and chronic fatigue ten years after giardia infection: a controlled prospective cohort study.
- (2014). Flow cytometric method for characterization of human T cell responses against Giardia lamblia.
- (2009). Giardiasis in non-endemic areas: molecular characterization as a predictor for clinical picture, treatment outcome, and persistence.
- (2002). Lang tids overlevelsesanalyse av sementerte og usementerte totalproteser i kneleddet. En norsk multisenterstudie.
- (1998). Outbreak of multiresistant enterococcus faecium in a Norwegian university hospital - riskfactors for infection.
- (1998). Outbreak of multiresistant enterococcus faecium in a Norwegian university hospital - riskfactors for faecal colonization.
Abstract
- (2016). Irritable bowel syndrome ten years after acute Giardia lamblia infection: A controlled prospective cohort study. Neurogastroenterology and Motility. 59-59.
- (2012). Impact of Inosine Triphosphatase (ITPA) Gene Variants on Anemia, Ribavirin Concentrations, and Outcome During Therapy for HCV Genotype 2/3. Hepatology. 1023A-1023A.
- (2012). Duodenal mucosal lymphocyte subgroups in patients with persisting abdominal symptoms after Giardia lamblia infection. Neurogastroenterology and Motility. 172-172.
- (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.
- (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.
- (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.
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Academic literature review
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