- E-post
- halvor.sommerfelt@uib.no
- Telefonnummer
- +47 40640882
- +47 55588575
- Besøksadresse
-
Alrek helseklynge, blokk D, Årstadveien 17 Overlege Danielssens hus, 5. etasje, Årstadveien 21
5009 Bergen - Rom: 515
- Postadresse
-
Postboks 7804
5020 Bergen
Forskergrupper
- ETECvak: Vaksiner mot barnediaré i lav- og mellominntektsland
- Centre for Intervention Science in Maternal and Child Health
Publikasjoner
Vitenskapelig artikkel
- Hookham, Lauren; Cantrell, Liberty; Cose, Stephen et al. (2024). Seroepidemiology of SARS-CoV-2 in a cohort of pregnant women and their infants in Uganda and Malawi. (ekstern lenke)
- Bwanga, Freddie; Mukashyaka, Claudine; Kateete, David Patrick et al. (2024). Vaginal colonization with virulent and methicillin resistant Staphylococcus aureus among Ugandan women in Labour. (ekstern lenke)
- Long, Kurt Z.; Gunanti, Inong R.; Stride, Chris et al. (2024). Identification of Enteric Pathogen Reservoirs and Transmission Pathways Associated with Short Childhood Stature in the Kolkata Indian Site of the Global Enteric Multicenter Study. (ekstern lenke)
- Vedøy, Oda Barth; Steinsland, Hans; Sakkestad, Sunniva Todnem et al. (2023). Strong Association between Diarrhea and Concentration of Enterotoxigenic Escherichia coli Strain TW10722 in Stools of Experimentally Infected Volunteers. (ekstern lenke)
- Johansen, Øystein Haarklau; Abdissa, Alemseged; Zangenberg, Mike et al. (2022). A comparison of risk factors for cryptosporidiosis and non-cryptosporidiosis diarrhoea: A case-case-control study in Ethiopian children. (ekstern lenke)
- Choudhary, Tarun Shankar; Mazumder, Sarmila; Haaland, Øystein Ariansen et al. (2022). Effect of kangaroo mother care initiated in community settings on financial risk protection of low-income households: a randomised controlled trial in Haryana, India. (ekstern lenke)
- Tumuhamye, Josephine; Sommerfelt, Halvor; Tumwine, James K et al. (2022). Umbilical cord stump infections in central Uganda: Incidence, bacteriological profile, and risk factors. (ekstern lenke)
- Sinha, Bireshwar; Sommerfelt, Halvor; Ashorn, Per et al. (2022). Effect of community-initiated kangaroo mother care on breastfeeding performance in low birthweight infants: A randomized clinical trial. (ekstern lenke)
- Upadhyay, Ravi Prakash; Taneja, Sunita; Strand, Tor Arne et al. (2022). Early child stimulation, linear growth and neurodevelopment in low birth weight infants. (ekstern lenke)
- Choudhary, Tarun Shankar; Mazumder, Sarmila; Haaland, Øystein Ariansen et al. (2021). Health equity impact of community-initiated kangaroo mother care: a randomized controlled trial. (ekstern lenke)
- Sinha, Bireshwar; Sommerfelt, Halvor; Ashorn, Per et al. (2021). Effect of Community-Initiated Kangaroo Mother Care on Postpartum Depressive Symptoms and Stress among Mothers of Low-Birth-Weight Infants: A Randomized Clinical Trial. (ekstern lenke)
- Tumuhamye, Josephine; Steinsland, Hans; Bwanga, Freddie et al. (2021). Vaginal colonization with antimicrobial-resistant bacteria among women in labor in central Uganda: prevalence and associated factors. (ekstern lenke)
- Nasrin, Dilruba; Blackwelder, William C.; Sommerfelt, Halvor et al. (2021). Pathogens Associated With Linear Growth Faltering in Children With Diarrhea and Impact of Antibiotic Treatment: The Global Enteric Multicenter Study. (ekstern lenke)
- Sinha, Bireshwar; Sommerfelt, Halvor; Ashorn, Per et al. (2021). Effect of Community-Initiated Kangaroo Mother Care on Fecal Biomarkers of Gut Function in Low Birth Weight Infants in North India: A Randomized Clinical Trial. (ekstern lenke)
- Ahmed, Nawshad Uddin; Maamri, Abdellatif; Falade, Adegoke G et al. (2021). Global research priorities on COVID-19 for maternal, newborn, child and adolescent health. (ekstern lenke)
- Brahmawar Mohan, Sanjana; Sommerfelt, Halvor; Frøen, Jahn Frederik et al. (2020). Antenatal uterotonics as a risk factor for intrapartum stillbirth and first-day death in Haryana, India: A nested case-control study. (ekstern lenke)
- Taneja, Sunita; Sinha, Bireshwar; Upadhyay, Ravi Prakash et al. (2020). Community initiated kangaroo mother care and early child development in low birth weight infants in India-a randomized controlled trial. (ekstern lenke)
- Tumuhamye, Josephine; Sommerfelt, Halvor; Bwanga, Freddie et al. (2020). Neonatal sepsis at Mulago national referral hospital in Uganda: Etiology, antimicrobial resistance, associated factors and case fatality risk. (ekstern lenke)
- Tumuhamye, Josephine; Steinsland, Hans; Tumwine, James K. et al. (2020). Vaginal colonisation of women in labour with potentially pathogenic bacteria: A cross sectional study at three primary health care facilities in Central Uganda. (ekstern lenke)
- Vidal, Roberto M.; Muhsen, Khitam; Tennant, Sharon M. et al. (2019). Colonization factors among enterotoxigenic Escherichia coli isolates from children with moderate-to-severe diarrhea and from matched controls in the Global Enteric Multicenter Study (GEMS). (ekstern lenke)
- Kotloff, Karen L.; Nasrin, Dilruba; Blackwelder, William C. et al. (2019). The incidence, aetiology, and adverse clinical consequences of less severe diarrhoeal episodes among infants and children residing in low-income and middle-income countries: a 12-month case-control study as a follow-on to the Global Enteric Multicenter Study (GEMS). (ekstern lenke)
- Mazumder, Sarmila; Taneja, Sunita; Dube, Brinda et al. (2019). Effect of community-initiated kangaroo mother care on survival of infants with low birthweight: a randomised controlled trial. (ekstern lenke)
- Sakkestad, Sunniva Todnem; Steinsland, Hans; Skrede, Steinar et al. (2019). Experimental infection of human volunteers with the heat-stable enterotoxin-producing enterotoxigenic Escherichia coli strain TW11681. (ekstern lenke)
- Zangenberg, Mike; JOHANSEN, ØYSTEIN HAARKLAU; Abdissa, Alemseged et al. (2019). Prolonged and persistent diarrhoea is not restricted to children with acute malnutrition: an observational study in Ethiopia. (ekstern lenke)
- Diaz, Yuleima; Govasli Larsen, Morten Andreas; Zegeye, Ephrem Debebe et al. (2019). Immunizations with enterotoxigenic Escherichia coli heat-stable toxin conjugates engender toxin-neutralizing antibodies in mice that also cross-react with guanylin and uroguanylin. (ekstern lenke)
- Malembaka, Espoir Bwenge; Tumwine, James K; Ndeezi, Grace et al. (2019). Effects of complementary feeding on attained height among lower primary school-aged children in Eastern Uganda: A nested prospective cohort study. (ekstern lenke)
- Sakkestad, Sunniva Todnem; Steinsland, Hans; Skrede, Steinar et al. (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. (ekstern lenke)
- Levine, Myron M.; Nasrin, Dilruba; Acácio, Sozinho et al. (2019). Diarrhoeal disease and subsequent risk of death in infants and children residing in low-income and middle-income countries: analysis of the GEMS case-control study and 12-month GEMS-1A follow-on study. (ekstern lenke)
- Vedøy, Oda Barth; Hanevik, Kurt; Sakkestad, Sunniva Todnem et al. (2018). Proliferation of enterotoxigenic Escherichia coli strain TW11681 in stools of experimentally infected human volunteers. (ekstern lenke)
- Mukunya, David; Haaland, Marte Emilie Sandvik; Tumwine, James K. et al. (2018). "We shall count it as a part of kyogero": acceptability and considerations for scale up of single dose chlorhexidine for umbilical cord care in Central Uganda. (ekstern lenke)
- Mazumder, Sarmila; Upadhyay, Ravi Prakash; Hill, Zelee et al. (2018). Kangaroo mother care: Using formative research to design an acceptable community intervention. (ekstern lenke)
- Nankabirwa, Victoria; Tylleskär, Thorkild; Tumuhamye, Josephine et al. (2017). Efficacy of umbilical cord cleansing with a single application of 4% chlorhexidine for the prevention of newborn infections in Uganda: Study protocol for a randomized controlled trial. (ekstern lenke)
- Singh, Prashant; Arora, Ananya; Strand, Tor A et al. (2017). Predictors of death in infants with probable serious bacterial infection. (ekstern lenke)
- Nankabirwa, Victoria; Tumwine, James K; Namugga, Olive et al. (2017). Early versus late BCG vaccination in HIV-1-exposed infants in Uganda: Study protocol for a randomized controlled trial. (ekstern lenke)
- Wadhwa, Nitya; Basnet, Sudha; Natchu, Uma Chandra Mouli et al. (2017). Zinc as an adjunct treatment for reducing case fatality due to clinical severe infection in young infants: study protocol for a randomized controlled trial. (ekstern lenke)
- Mazumder, Sarmila; Taneja, Sunita; Dalpath, Suresh Kumar et al. (2017). Impact of community-initiated Kangaroo Mother Care on survival of low birth weight infants: Study protocol for a randomized controlled trial. (ekstern lenke)
- Welch, Vivian A; Norheim, Ole Frithjof; Jull, Janet E.G. et al. (2017). CONSORT-Equity 2017 extension and elaboration for better reporting of health equity in randomised trials. (ekstern lenke)
- Jull, Janet E.G.; Whitehead, Margaret; Petticrew, Mark et al. (2017). When is a randomised controlled trial health equity relevant? Development and validation of a conceptual framework. (ekstern lenke)
- Aase, Audun; Sommerfelt, Halvor; Petersen, Lizette Balle et al. (2016). Salivary IgA from the sublingual compartment as a novel noninvasive proxy for intestinal immune induction. (ekstern lenke)
- Chandyo, Ram Krishna; Ulak, Manjeswori; Sommerfelt, Halvor et al. (2016). Nutritional intake and status of cobalamin and folate among non-pregnant women of reproductive age in Bhaktapur, Nepal. (ekstern lenke)
- Nagot, Nicolas; Kankasa, Chipepo; Tumwine, James K et al. (2016). Extended pre-exposure prophylaxis with lopinavir-ritonavir versus lamivudine to prevent HIV-1 transmission through breastfeeding up to 50 weeks in infants in Africa (ANRS 12174): a randomised controlled trial. (ekstern lenke)
- Taxt, Arne Michael; Diaz, Yuleima; Aasland, Rein et al. (2016). Towards rational design of a toxoid vaccine against the heatstable toxin of Escherichia coli. (ekstern lenke)
- Sow, Samba O.; Muhsen, Khitam; Nasrin, Dilruba et al. (2016). The Burden of Cryptosporidium Diarrheal Disease among Children < 24 Months of Age in Moderate/High Mortality Regions of Sub-Saharan Africa and South Asia, Utilizing Data from the Global Enteric Multicenter Study (GEMS). (ekstern lenke)
- Fadnes, Lars T.; Nankabirwa, Victoria; Engebretsen, Ingunn Marie S. et al. (2016). Effects of an exclusive breastfeeding intervention for six months on growth patterns of 4-5 year old children in Uganda: The cluster-randomised PROMISE EBF trial. (ekstern lenke)
- Chola, Lumbwe; Fadnes, Lars T.; Engebretsen, Ingunn Marie S. et al. (2015). Cost-effectiveness of peer counselling for the promotion of exclusive breastfeeding in Uganda. (ekstern lenke)
- Chandyo, Ram Krishna; Ulak, Manjeswori; Adhikari, Ramesh K. et al. (2015). Prevalence of iron deficiency and anemia among young children with acute diarrhea in Bhaktapur, Nepal. (ekstern lenke)
- Singh, Prashant; Wadhwa, Nitya; Lodha, Rakesh et al. (2015). Predictors of time to recovery in infants with probable serious bacterial infection. (ekstern lenke)
- Basnet, Sudha; Sharma, Arun; Mathisen, Maria et al. (2015). Predictors of duration and treatment failure of severe pneumonia in hospitalized young nepalese children. (ekstern lenke)
- Lindsay, Brianna; Oundo, Joseph O.; Hossain, Mohammad Anowar et al. (2015). Microbiota that affect risk for shigellosis in children in low-income countries. (ekstern lenke)
- Nankabirwa, Victoria; Tumwine, James K; Mugaba, Proscovia M. et al. (2015). Child survival and BCG vaccination: A community based prospective cohort study in Uganda. (ekstern lenke)
- Taxt, Arne Michael; Diaz, Yuleima; Bacle, Amélie et al. (2014). Characterization of immunological cross-reactivity between enterotoxigenic Escherichia coli heat-stable toxin and human guanylin and uroguanylin. (ekstern lenke)
- Rongsen-Chandola, Temsunaro; Strand, Tor; Goyal, Nidhi et al. (2014). Effect of withholding breastfeeding on the immune response to a live oral rotavirus vaccine in North Indian infants. (ekstern lenke)
- Mazumder, Sarmila; Taneja, Sunita; Bahl, Rajiv et al. (2014). Effect of implementation of Integrated Management of Neonatal and Childhood Illness programme on treatment seeking practices for morbidities in infants: cluster randomised trial. (ekstern lenke)
- Engebretsen, Ingunn Marie S.; Jackson, Debra; Fadnes, Lars T. et al. (2014). Growth effects of exclusive breastfeeding promotion by peer counsellors in sub-Saharan Africa: the cluster-randomised PROMISE EBF trial. (ekstern lenke)
- Skrede, Steinar; Steinsland, Hans; Sommerfelt, Halvor et al. (2014). Experimental infection of healthy volunteers with enterotoxigenic Escherichia coli wild-type strain TW10598 in a hospital ward. (ekstern lenke)
- Ulak, Manjeswori; Chandyo, Ram Krishna; Adhikari, Ramesh K. et al. (2014). Cobalamin and folate status in 6 to 35 months old children presenting with acute diarrhea in Bhaktapur, Nepal. (ekstern lenke)
- Engebretsen, Ingunn Marie S.; Nankabirwa, Victoria; Doherty, Tanya et al. (2014). Early infant feeding practices in three African countries: the PROMISE-EBF trial promoting exclusive breastfeeding by peer counsellors. (ekstern lenke)
- Strand, Tor A; Taneja, Sunita; Ueland, Per Magne et al. (2013). Cobalamin and folate status predicts mental development scores in North Indian children 12-18 mo of age. (ekstern lenke)
- Kotloff, Karen L.; Nataro, James Paul; Blackwelder, William C. et al. (2013). Burden and aetiology of diarrhoeal disease in infants and young children in developing countries (the Global Enteric Multicenter Study, GEMS): a prospective, case-control study. (ekstern lenke)
- Lindsay, Brianna; Ochieng, John B.; Ikumapayi, Usman N. et al. (2013). Quantitative PCR for Detection of Shigella Improves Ascertainment of Shigella Burden in Children with Moderate-to-Severe Diarrhea in Low-Income Countries. (ekstern lenke)
- Strand, Tor A; Sharma, Pushpa R; Gjessing, Håkon K. et al. (2012). Risk factors for extended duration of acute diarrhea in young children. (ekstern lenke)
- Basnet, Sudha; Shrestha, Prakash S.; Sharma, Arun et al. (2012). A randomized controlled trial of zinc as adjuvant therapy for severe pneumonia in young children. (ekstern lenke)
- Bhandari, Nita; Mazumder, Sarmila; Taneja, Sunita et al. (2012). Effect of implementation of Integrated Management of Neonatal and Childhood Illness (IMNCI) programme on neonatal and infant mortality: cluster randomised controlled trial. (ekstern lenke)
- Sommerfelt, Halvor; Steinsland, Hans; van der Merwe, Lize et al. (2012). Case/Control studies with follow-up: constructing the source population to estimate effects of risk factors on development, disease, and survival. (ekstern lenke)
- Blackwelder, William C.; Biswas, Kousick; Wu, Yukun et al. (2012). Statistical methods in the Global Enteric Multicenter Study (GEMS). (ekstern lenke)
- Kotloff, Karen L.; Blackwelder, William C.; Nasrin, Dilruba et al. (2012). The global enteric multicenter study (GEMS) of diarrheal disease in infants and young children in developing countries: epidemiologic and clinical methods of the case/control study. (ekstern lenke)
- Diallo, Abdoulaye Hama; Meda, Nicolas; Sommerfelt, Halvor et al. (2012). The high burden of infant deaths in rural Burkina Faso: a prospective community-based cohort study. (ekstern lenke)
- Nagot, Nicolas; Kankasa, Chipepo; Meda, Nicolas et al. (2012). Lopinavir/Ritonavir versus Lamivudine peri-exposure prophylaxis to prevent HIV-1 transmission by breastfeeding: the PROMISE-PEP trial Protocol ANRS 12174. (ekstern lenke)
- Bhatnagar, Shinjini; Wadhwa, Nitya; Aneja, Satinder et al. (2012). Zinc as adjunct treatment in infants aged between 7 and 120 days with probable serious bacterial infection: a randomised, double-blind, placebo-controlled trial. (ekstern lenke)
- Manger, Mari Skar; Strand, Tor A; Taneja, Sunita et al. (2011). Cobalamin Status Modifies the Effect of Zinc Supplementation on the Incidence of Prolonged Diarrhea in 6-to 30-Month-Old North Indian Children. (ekstern lenke)
- Fadnes, Lars T.; Nankabirwa, Victoria; Sommerfelt, Halvor et al. (2011). Is vaccination coverage a good indicator of age-appropriate vaccination? A prospective study from Uganda. (ekstern lenke)
- Sahl, Jason W.; Steinsland, Hans; Redman, Julia C. et al. (2011). A Comparative genomic analysis of diverse clonal types of enterotoxigenic escherichia coli reveals pathovar-specific conservation. (ekstern lenke)
- Nankabirwa, Victoria; Tylleskar, Thorkild; Nankunda, Jolly Kaharuza et al. (2011). Malaria Parasitaemia among Infants and Its Association with Breastfeeding Peer Counselling and Vitamin A Supplementation: A Secondary Analysis of a Cluster Randomized Trial. (ekstern lenke)
- Nankabirwa, Victoria; Tumwine, James K; Tylleskar, Thorkild et al. (2011). Perinatal mortality in Eastern Uganda: A community based prospective cohort study. (ekstern lenke)
- Manger, Mari Skar; Taneja, Sunita; Strand, Tor A et al. (2011). Poor folate status predicts persistent diarrhea in 6- to 30-month-old north Indian children. (ekstern lenke)
- Wadhwa, Natya; Natchu, Uma Chandra Mouli; Sommerfelt, Halvor et al. (2011). ORS containing zinc does not reduce duration or stool volume of acute diarrhea in hospitalized children. (ekstern lenke)
- Mathisen, Maria; Basnet, Sudha; Sharma, Arun et al. (2011). RNA viruses in young Nepalese children hospitalized with severe pneumonia. (ekstern lenke)
- Fadnes, Lars T.; Jackson, Debra; Engebretsen, Ingunn Marie S. et al. (2011). Vaccination coverage and timeliness in three South African areas: a prospective study. (ekstern lenke)
- Tylleskar, Thorkild; Jackson, Debra; Meda, Nicolas et al. (2011). Exclusive breastfeeding promotion by peer counsellors in sub-Saharan Africa (PROMISE-EBF): a cluster-randomised trial. (ekstern lenke)
- Del Canto, Felipe; Valenzuela, Patricio; Cantero, Lidia et al. (2011). Distribution of Classical and Nonclassical Virulence Genes in Enterotoxigenic Escherichia coli Isolates from Chilean Children and tRNA Gene Screening for Putative Insertion Sites for Genomic Islands. (ekstern lenke)
- Nankabirwa, Victoria; Tylleskar, Thorkild; Tumwine, James K. et al. (2010). Maternal education is associated with vaccination status of infants less than 6 months in Eastern Uganda: a cohort study. (ekstern lenke)
- Mathisen, Maria; Strand, Tor Arne; Sharma, Biswa N et al. (2010). Clinical presentation and severity of viral community-acquired pneumonia in young Nepalese children. (ekstern lenke)
- Taneja, Sunita; Strand, Tor A; Sommerfelt, Halvor et al. (2010). Zinc supplementation for four months does not affect growth in young north Indian children. (ekstern lenke)
- Valentiner-Branth, Palle; Shrestha, Prakash S; Chandyo, Ram K et al. (2010). A randomized controlled trial of the effect of zinc as adjuvant therapy in children 2-35 mo of age with severe or nonsevere pneumonia in Bhaktapur, Nepal. (ekstern lenke)
- Diallo, Abdoulaye Hama; Meda, Nicolas; Zabsonre, Emmanuel et al. (2010). Perinatal mortality in rural Burkina Faso: a prospective community-based cohort study. (ekstern lenke)
- Mapaseka, Seheri Luyanda ; Dewar, John Barr; van der Merwe, Lize et al. (2010). Prospective hospital-based surveillance to estimate rotavirus disease burden in the Gauteng and North West Province of South Africa during 2003-2005. (ekstern lenke)
- Steinsland, Hans; Lacher, David W; Sommerfelt, Halvor et al. (2010). Ancestral Lineages of Human Enterotoxigenic Escherichia coli. (ekstern lenke)
- Chandyo, Ram K; Shrestha, Prakash S; Valentiner-Branth, Palle et al. (2010). Two weeks of zinc administration to Nepalese children with pneumonia does not reduce the incidence of pneumonia or diarrhea during the next six months. (ekstern lenke)
- Mathisen, Maria; Strand, Tor Arne; Valentiner-Branth, Palle et al. (2010). Respiratory viruses in Nepalese children with and without pneumonia: a case-control study. (ekstern lenke)
- Chandyo, RK; Strand, Tor Arne; Mathisen, M et al. (2009). Zinc deficiency is common among healthy women of reproductive age in Bhaktapur, Nepal. (ekstern lenke)
- Mathisen, Maria; Strand, Tor A; Sharma, Biswa N et al. (2009). RNA viruses in community-acquired childhood pneumonia in semi-urban Nepal; a cross-sectional study. (ekstern lenke)
- Checkley, W; Buckley, G; Gilman, RH et al. (2008). Multi-country analysis of the effects of diarrhoea on childhood stunting. (ekstern lenke)
- Taneja, Sunita; TaneJa, S; Bhandari, Nita et al. (2007). Cobalamin and folate status in infants and young children in a low-to-middle income community in India. (ekstern lenke)
- Chandyo, Ram Krishna; Strand, Tor A; Ulvik, Rune Johan et al. (2007). Prevalence of iron deficiency and anemia among healthy women of reproductive age in Bhaktapur, Nepal. (ekstern lenke)
- Valentiner-Branth, Palle; Perch, Michael; Nielsen, Jens et al. (2007). Community cohort study of Cryptosporidium parvum infections: sex-differential incidences associated with BCG and diptheria-tetanus-pertussis vaccinations. (ekstern lenke)
- Strand, Tor A; Taneja, Sunita; Bhandari, Nita et al. (2007). Folate, but not vitamin B-12 status, predicts respiratory morbidity in north Indian children. (ekstern lenke)
- Kvåle, Gunnar; Sommerfelt, Halvor; Fylkesnes, Knut (2005). Intervention studies for improving global health and health care: an important arena for epidemiologists. (ekstern lenke)
- Robberstad, Bjarne; Strand, Tor A; Black, Robert E et al. (2004). Cost-effectiveness of zinc as adjunct therapy for acute childhood diarrhoea in developing countries. (ekstern lenke)
- Valvatne, Håvard; Steinsland, Hans; Grewal, Harleen et al. (2004). Identification and molecular characterization of the gene encoding coli surface antigen 20 of enterotoxigenic Escherichia coli. (ekstern lenke)
- Steinsland, Hans; Valentiner-Branth, Palle; Gjessing, Håkon K et al. (2004). Protection from natural infections with enterotoxigenic Escherichia coli: longitudinal study. (ekstern lenke)
- Steinsland, Hans; Valentiner-Branth, Palle; Aaby, Peter et al. (2004). Clonal relatedness of enterotoxigenic Escherichia coli strains isolated from a cohort of young children in Guinea-Bissau. (ekstern lenke)
- Strand, Tor A; Adhikari, Ramesh K; Chandyo, Ram K et al. (2004). Predictors of plasma zinc concentrations in children with acute diarrhea. (ekstern lenke)
- Steinsland, Hans; Valentiner-Branth, Palle; Gjessing, Håkon K et al. (2003). Protection from natural infections with enterotoxigenic Escherichia coli: longitudinal study. (ekstern lenke)
- Valentiner-Branth, Palle; Steinsland, Hans; Fischer, Thea Kølsen et al. (2003). Cohort study of Guinean children: incidence, pathogenicity, conferred protection and attributable risk for enteropathogens during the first 2 years of life. (ekstern lenke)
- Benn, CS; Bale, C; Sommerfelt, Halvor et al. (2003). Vitamin A supplementation and childhood mortality: amplification of the non-specific effects of vaccines?. (ekstern lenke)
- Valentiner-Branth, Palle; Steinsland, Hans; Fischer, Thea Kølsen et al. (2003). Cohort study of Guinean children: incidence, pathogenicity, conferred protection and attributable risk for enteropathogens during the first 2 years of life. (ekstern lenke)
- Strand, Tor A; Hollingshead, SK; Julshamn, K et al. (2003). Effects of zinc deficiency and pneumococcal surface protein A immunization on zinc status and the risk of severe infection in mice. (ekstern lenke)
- Strand, Tor A; Aaberge, IS; Maage, Amund et al. (2003). The immune response to pneumococcal polysaccharide vaccine in zinc depleted mice. (ekstern lenke)
- Karlsen, Tom Hemming; Sommerfelt, Halvor; Klomstad, Skjalg et al. (2003). Intestinal and systemic immune responses to an oral B-subunit-whole-cell cholera vaccine administered during zinc supplementation. (ekstern lenke)
- Steinsland, Hans; Valentiner-Branth, Palle; Grewal, Harleen M. S. et al. (2003). Development and evaluation of genotypic assays for the detection and characterization of enterotoxigenic Escherichia coli. (ekstern lenke)
- Fischer, Thea Kølsen; Page, NA; Griffin, D et al. (2003). Characterization of nontypeable rotavirus strains from Guinea-Bissau: Identification of G8 and G9 types and a high frequency of mixed infections. (ekstern lenke)
- Steinsland, Hans; Valentiner-Branth, Palle; Gjessing, Håkon K et al. (2003). Protection from natural infections with enterotoxigenic Escherichia coli: longitudinal study. (ekstern lenke)
- Strand, Tor A; Hollingshead, SK; Julshamn, Kåre et al. (2003). Effects of zinc deficiency and pneumococcal surface protein A immunization on zinc status and the risk of severe infection in mice. (ekstern lenke)
- Steinsland, Hans; Valentiner-Branth, Palle; Perch, Michael et al. (2002). Enterotoxigenic Escherichia coli infections and diarrhea in a cohort of young children in Guinea-Bissau. (ekstern lenke)
- Bhandari, Nita; Bahl, Rajiv; Taneja, S. et al. (2002). Substantial Reduction in Severe Diarrheal Morbidity by Daily Zinc Supplementation in Young North Indian Children. (ekstern lenke)
- Bahl, Rajiv; Bhandari, Nita; Saksena, M. et al. (2002). Efficacy of Zinc-fortified oral rehydration solution in 6- to 35-month-old children with acute diarrhea. (ekstern lenke)
- Gaastra, W.; Sommerfelt, Halvor; van Dijk, L et al. (2002). Antigenic variation within the subunit protein of members of the colonization factor antigen I group of fimbrial proteins in human enterotoxigenic Escherichia coli. (ekstern lenke)
- Strand, Tor A; Chandyo, RK; Bahl, Rajiv et al. (2002). Effectiveness and efficacy of zinc for the treatment of acute diarrhea in young children. (ekstern lenke)
- Valvatne, Håvard; Steinsland, Hans; Sommerfelt, Halvor (2002). Clonal clustering and colonization factors among thermolabile and porcine thermostable enterotoxin-producing Escherichia coli. (ekstern lenke)
- Bhandari, Nita; Bahl, Rajiv; Taneja, S. et al. (2002). Effect of routine zinc supplementation on pneumonia in children aged 6 months to 3 years: randomised controlled trial in an urban slum. (ekstern lenke)
- Fischer, Thea Kølsen; Valentiner-Branth, Palle; Steinsland, Hans et al. (2002). Protective immunity after natural rotavirus infection. A community cohort study of newborn children in Guinea-Bisau, West Africa. (ekstern lenke)
- Bhan, Maharaj Kishan; Sommerfelt, Halvor; Strand, Tor A (2001). Micronutrient deficiency in children. Commentary. (ekstern lenke)
- Valentiner-Branth, Palle; Steinsland, Hans; Santos, Gina et al. (2001). Community-based controlled trial of dietary management of children with persistent diarrhea: sustained beneficial effect on ponderal and linear growth. (ekstern lenke)
- Strand, Tor A; Briles, DE; Gjessing, HK et al. (2001). Pneumococcal pulmonary infection, septicemia and survival in young zinc-depleted mice. (ekstern lenke)
- Grewal, Harleen M. S.; Sommerfelt, Halvor (2001). Genotypic simultaneous detection of enterotoxigenic Escherichia coli harbouring genes for colonisation factor antigen I, coli surface antigens 1, 2, 4, 17, or putative colonisation factor O166. (ekstern lenke)
- Grewal, Harleen M. S.; Karlsen, Tom Hemming; Vetvik, H et al. (2000). Measurement of specific IgA in faecal extracts and intestinal lavage fluid for monitoring of mucosal immune responses. (ekstern lenke)
- Grewal, Harleen M. S.; Vetvik, H; Karlsen, Hemming T et al. (2000). The measurement of specific IgA in fecal extracts and in intestinal lavage fluid for the monitoring of mucosal immune responses. (ekstern lenke)
- Fischer, Thea Kølsen; Steinsland, Hans; Mølbak, Kåre et al. (2000). Genotype Profiles of Rotavirus Strains from Children in a Suburban Community in Guinea-Bissau, Western Africa. (ekstern lenke)
- Valentiner-Brandt, Palle; Steinsland, Hans; Gjessing, Håkon K et al. (1999). Community-based randomized controlled trial of reduced osmolarity oral rehydration solution in acute childhood diarrhea. (ekstern lenke)
- Halvorsen, T.; Valvatne, Håvard; Grewal, Harleen et al. (1997). Expression of colonization factor antigen I by enterotoxigenic <I>Escherichia coli</I>; influence of growth conditions and a recombinant positive regulatory gene. (ekstern lenke)
- Grewal, Harleen; Valvatne, Håvard; Bhan, M. K. et al. (1997). A new fimbrial putative colonization factor, CS19 in human enterotoxigenic <I>Escherichia coli</I>. (ekstern lenke)
- Grewal, Harleen; Valvatne, Håvard; Bhan, M. K. et al. (1997). A new putative colonization factor, CS19, of human enterotoxigenic Escherichia coli. (ekstern lenke)
- Halvorsen, T.; Valvatne, Håvard; Grewal, Harleen et al. (1997). Expression of colonization factor antigen I fimbriae by enterotoxigenic Escherichia coli; influence by growth conditions and a recombinant positive regulatory gene. (ekstern lenke)
- Valvatne, Håvard; Sommerfelt, Halvor; Gaastra, W et al. (1996). Identification and characterization of a new putative colonization fac tor of enterotoxigenic Escherichia coli. (ekstern lenke)
- Sommerfelt, Halvor; Steinsland, Hans; Grewal, H.M.S. et al. (1996). Colonization factors of enterotoxigenic Echerichia coli isolated from children in North India. (ekstern lenke)
- Sommerfelt, Halvor; Steinsland, Hans; Grewal, H.M.S. et al. (1996). Colonization factors of enterotoxigenic Esherichia coli isolated from children in North India. (ekstern lenke)
- Grewal, Harleen; Hellander, A; Svennerholm, A-M. et al. (1994). Genotypic and phenotypic identification of coli surface antigen 6-positive enterotoxigenic Escherichia coli. (ekstern lenke)
- Bhatnagar, S.; Bhan, M. K.; Sommerfelt, Halvor et al. (1993). Enteroaggregative Escherichia coli, a possible new pathogen causing acute and persistent diarrhea. (ekstern lenke)
- Grewal, Harleen; Gaastra, W.; Svennerholm, A-M. et al. (1993). Induction of Colonization Factor Antigen I and Coli Surface Antigen 4 of enterotoxigenic Escherichia coli. (ekstern lenke)
- Sommerfelt, Halvor; Bhan, M. K.; Srivastava, R. et al. (1993). Evaluation of DNA-DNA hybridization for the direct detection of enterotoxigenic Escherichia coli in stool blots. (ekstern lenke)
- Sommerfelt, Halvor; Grewal, Harleen; Svennerholm, A-M. et al. (1992). Colonization factor antigen I, coli surface antigen 4 and putative colonization factor 0166 of enterotoxigenic Escherichia coli are genetically related. (ekstern lenke)
- Sommerfelt, Halvor; Grewal, Harleen; Svennerholm, A-M. et al. (1992). Genetic relationship of putative colonization factor 0166 to colonization factor antigen I and coli surface antigen 4 of enterotoxigenic Escherichia coli. (ekstern lenke)
- Sommerfelt, Halvor; Grewal, Harleen; Gaastra, W. et al. (1992). Use of nonradioactive DNA Hybridization for the identification of enterotoxigenic Escherichia coli harboring genes for colonization factor antigen/1, coli surface antigen 4 and putative colonization factor 0166. (ekstern lenke)
- Sommerfelt, Halvor (1991). Nucleic acid hybridization for the identification of enterotoxigenic Escherichia coli. (ekstern lenke)
- Sommerfelt, Halvor; Grewal, Harleen; Gaastra, W. et al. (1991). Presence of cfaD-homologous sequences and expression of coli surface antigen 4 on enterotoxigenic Escherichia coli; relevance for diagnostic procedures. (ekstern lenke)
- Sommerfelt, Halvor; Haukanes, Bjørn Ivar; Kalland, Karl-Henning et al. (1989). Mechanism of spontaneous loss of heat-stable toxin (STa) Production in enterotoxigenic Escherichia coli. (ekstern lenke)
- Sommerfelt, Halvor; Svennerholm, Ann-Mari; Kalland, Karl-Henning et al. (1988). Comparative Study of Colony Hybridization With Synthetic Oligonucleotide Probes and Enzyme-Linked Immunosorbent Assay for Identification of Enterotoxigenic Escherichia Coli. (ekstern lenke)