Blar i Norwegian Institute of Public Health Open Repository på forfatter "Sommerfelt, Halvor"
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A comparison of risk factors for cryptosporidiosis and non-cryptosporidiosis diarrhoea: A case-case-control study in Ethiopian children
Johansen, Øystein Haarklau; Abdissa, Alemseged; Zangenberg, Mike; Mekonnen, Zeleke; Eshetu, Beza; Sharew, Bizuwarek; Moyo, Sabrina John; Sommerfelt, Halvor; Langeland, Nina; Robertson, Lucy; Hanevik, Kurt (Peer reviewed; Journal article, 2022) -
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
Sakkestad, Sunniva Todnem; Steinsland, Hans; Skrede, Steinar; Lillebø, Kristine; Skutlaberg, Dag Harald; Guttormsen, Anne Berit; Zavialov, Anton; Paavilainen, Sari; Søyland, Hanne; Sævik, Marianne; Rykkje Heien, Astrid; Gjerde Tellevik, Marit; Barry, Eileen; Langeland, Nina; Sommerfelt, Halvor; Hanevik, Kurt (Peer reviewed; Journal article, 2019) -
Case-control vaccine effectiveness studies: Data collection, analysis and reporting results
Verani, Jennifer R.; Baqui, Abdullah H.; Broome, Claire V.; Cherian, Thomas; Cohen, Cheryl; Farrar, Jennifer L.; Feikin, Daniel R.; Groome, Michelle J.; Hajjeh, Rana A.; Johnson, Hope L.; Madhi, Shabir A.; Mulholland, Kim; O'Brien, Katherine L.; Parashar, Umesh D.; Patel, Manish M.; Rodrigues, Laura C.; Santosham, Mathuram; Scott, J. Anthony; Smith, Peter G.; Sommerfelt, Halvor; Tate, Jacqueline E.; Victor, J. Chris; Whitney, Cynthia G.; Zaidi, Anita K.; Zell, Elizabeth R. (Peer reviewed; Journal article, 2017) -
Case-control vaccine effectiveness studies: Preparation, design, and enrollment of cases and controls
Verani, Jennifer R.; Baqui, Abdullah H.; Broome, Claire V.; Cherian, Thomas; Cohen, Cheryl; Farrar, Jennifer L.; Feikin, Daniel R.; Groome, Michelle J.; Hajjeh, Rana A.; Johnson, Hope L.; Madhi, Shabir A.; Mulholland, Kim; O'Brien, Katherine L.; Parashar, Umesh D.; Patel, Manish M.; Rodrigues, Laura C.; Santosham, Mathuram; Scott, J. Anthony; Smith, Peter G.; Sommerfelt, Halvor; Tate, Jacqueline E.; Victor, J. Chris; Whitney, Cynthia G.; Zaidi, Anita K.; Zell, Elizabeth R. (Peer reviewed; Journal article, 2017) -
Child survival and BCG vaccination: A community based prospective cohort study in Uganda
Nankabirwa, Victoria; Tumwine, James K; Mugaba, Proscovia M.; Tylleskär, Thorkild; Sommerfelt, Halvor (Journal article, 2015) -
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)
Vidal, Roberto M.; Muhsen, Khitam; Tennant, Sharon M.; Svennerholm, Ann-Mari; Sow, Samba O.; Sur, Dipika; Zaidi, Anita K.M.; Faruque, Abu Syed Golam; Saha, Debasish; Adegbola, Richard; Hossain, Mohammad Jahangir; Alonso, Pedro L.; Breiman, Robert F.; Bassat, Quique; Tamboura, Boubou; Sanogo, Doh; Onwuchekwa, Uma; Manna, Byomkesh; Ramamurthy, Thandavarayan; Kanungo, Suman; Ahmed, Shahnawaz; Qureshi, Shahida; Quadri, Farheen; Hossain, Anowar; Das, Sumon K.; Antonio, Martin; Mandomando, Inacio; Nhampossa, Tacilta; Acácio, Sozinho; Omore, Richard; Ochieng, John B.; Oundo, Joseph O.; Mintz, Eric D.; O'Reilly, Ciare E.; Berkeley, Lynette Y.; Livio, Sofie; Panchalingam, Sandra; Nasrin, Dilruba; Farag, Tamer H.; Wu, Yukun; Sommerfelt, Halvor; Robins-Browne, Roy M.; Del Canto, Felipe; Hazen, Tracy H.; Rasko, David A.; Kotloff, Karen L.; Nataro, James Paul; Levine, Myron M. (Peer reviewed; Journal article, 2019) -
Community initiated kangaroo mother care and early child development in low birth weight infants in India-a randomized controlled trial
Taneja, Sunita; Sinha, Bireshwar; Upadhyay, Ravi Prakash; Mazumder, Sarmila; Sommerfelt, Halvor; Martines, Jose Carlos; Dalpath, Suresh Kumar; Gupta, Rakesh; Kariger, Patricia; Bahl, Rajiv; Bhandari, Nita; Dua, Tarun; Abbasi, Farah; Panwar, Vaishali; Nagpal, Sugandhi; Shekhar, Medha; Ghosh, Runa; Kaur, Jasmine; Dube, Brinda (Peer reviewed; Journal article, 2020) -
Cost-Effectiveness of Peer Counselling for the Promotion of Exclusive Breastfeeding in Uganda
Chola, Lumbwe; Fadnes, Lars T.; Engebretsen, Ingunn Marie S.; Nkonki, Lungiswa; Nankabirwa, Victoria; Sommerfelt, Halvor; Tumwine, James K; Tylleskär, Thorkild; Robberstad, Bjarne (Journal article, 2015) -
Development of an enterotoxigenic Escherichia coli vaccine based on the heat-stable toxin
Zegeye, Ephrem Debebe; Govasli Larsen, Morten Andreas; Sommerfelt, Halvor; Puntervoll, Pål (Peer reviewed; Journal article, 2018)Infection with enterotoxigenic Escherichia coli (ETEC) is an important cause of diarrhea-related illness and death among children under 5 years of age in low– and middle-income countries (LMIC). Recent studies have found ... -
Early child stimulation, linear growth and neurodevelopment in low birth weight infants
Upadhyay, Ravi Prakash; Taneja, Sunita; Strand, Tor Arne; Sommerfelt, Halvor; Hysing, Mari; Mazumder, Sarmila; Bhandari, Nita; Martines, Jose Carlos; Dua, Tarun; Kariger, Patricia; Bahl, Rajiv (Peer reviewed; Journal article, 2022) -
Early versus late BCG vaccination in HIV-1-exposed infants in Uganda: Study protocol for a randomized controlled trial
Nankabirwa, Victoria; Tumwine, James K; Namugga, Olive; Tylleskär, Thorkild; Ndeezi, Grace; Robberstad, Bjarne; Netea, Mihai G.; Sommerfelt, Halvor (Journal article, 2017) -
Effect of community-initiated kangaroo mother care on breastfeeding performance in low birthweight infants: A randomized clinical trial
Sinha, Bireshwar; Sommerfelt, Halvor; Ashorn, Per; Mazumder, Sarmila; Taneja, Sunita; Bahl, Rajiv; Bhandari, Nita (Peer reviewed; Journal article, 2022) -
Effect of Community-Initiated Kangaroo Mother Care on Postpartum Depressive Symptoms and Stress among Mothers of Low-Birth-Weight Infants: A Randomized Clinical Trial
Sinha, Bireshwar; Sommerfelt, Halvor; Ashorn, Per; Mazumder, Sarmila; Taneja, Sunita; More, Deepak; Bahl, Rajiv; Bhandari, Nita (Peer reviewed; Journal article, 2021) -
Effect of kangaroo mother care initiated in community settings on financial risk protection of low-income households: a randomised controlled trial in Haryana, India
Choudhary, Tarun Shankar; Mazumder, Sarmila; Haaland, Øystein Ariansen; Taneja, Sunita; Bahl, Rajiv; Martines, Jose Carlos; Bahn, Maharaj Kishan; Norheim, Ole Frithjof; Sommerfelt, Halvor; Bhandari, Nita; Johansson, Kjell Arne (Peer reviewed; Journal article, 2022) -
Effect of withholding breastfeeding on the immune response to a live oral rotavirus vaccine in North Indian infants
Rongsen-Chandola, Temsunaro; Strand, Tor; Goyal, Nidhi; Flem, Elmira; Singh Rathore, Sudeep; Arya, Alok; Winje, Brita Askeland; Lazarus, Robin; Shanmugasundaram, Elango; Babji, Sudhir; Sommerfelt, Halvor; Vainio, M Kirsti; Kang, Gagandeep; Bhandari, Nita (Journal article, 2014)Abstract: Interference from transplacental and breast milk antibodies may impede the performance of oral live vaccines. The effect of breastfeeding on the immunogenicity of Rotarix®, a two-dose oral monovalent rotavirus ... -
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
Fadnes, Lars T.; Nankabirwa, Victoria; Engebretsen, Ingunn Marie S.; Sommerfelt, Halvor; Birungi, Nancy; Lombard, Carl; Swanevelder, Sonja; Van den Broeck, Jan; Tylleskär, Thorkild; Tumwine, James K (Peer reviewed; Journal article, 2016)BACKGROUND: Breastfeeding promotion is regarded as one of the most effective interventions to improve child health, and could reduce under-5-mortality by 8 % globally. Few studies have assessed the health outcomes beyond ... -
Experimental infection of healthy volunteers with enterotoxigenic Escherichia coli wild-type strain TW10598 in a hospital ward
Skrede, Steinar; Steinsland, Hans; Sommerfelt, Halvor; Aase, Audun; Brandtzæg, Per; Langeland, Nina; Cox, Rebecca Jane; Sævik, Marianne; Wallevik, Marita; Skutlaberg, Dag Harald; Tellevik, Marit Gjerde; Sack, David A; Nataro, James Paul; Guttormsen, Anne Berit (Journal article, 2014) -
Experimental infection of healthy volunteers with enterotoxigenic Escherichia coli wild-type strain TW10598 in a hospital ward
Skrede, Steinar; Steinsland, Hans; Sommerfelt, Halvor; Aase, Audun; Brandtzæg, Per; Langeland, Nina; Cox, Rebecca Jane; Sævik, Marianne; Wallevik, Marita; Skutlaberg, Dag Harald; Tellevik, Marit Gjerde; Sack, David A.; Nataro, James Paul; Guttormsen, Anne Berit (Journal article, 2014) -
Experimental Infection of Human Volunteers with the Heat-Stable Enterotoxin-Producing Enterotoxigenic Escherichia coli Strain TW11681
Sakkestad, Sunniva Todnem; Steinsland, Hans; Skrede, Steinar; Kleppa, Elisabeth; Lillebø, Kristine; Sævik, Marianne; Søyland, Hanne; Heien, Astrid Rykkje; Tellevik, Marit Gjerde; Barry, Eileen M.; Sommerfelt, Halvor; Hanevik, Kurt (Peer reviewed; Journal article, 2019) -
Global research priorities on COVID-19 for maternal, newborn, child and adolescent health
Ahmed, Nawshad Uddin; Maamri, Abdellatif; Falade, Adegoke G; Ayede, Adejumoke Idowu; Bhutta, Adnan; Gambhir, Ajay; Tagarro, Alfredo; Abdelmegeid, Ali; Ahmadi, Ali Reza; Barros, Aluísio J D; Mekasha, Amha; Srinivasaiyer, Anantha Kumar; da Silva, André Ricardo Araujo; Schultz, Andreas; Fatima, Batool; Dhar, Bishnupada; Magowan, Brian; Wills, Bridget; Raynes-Greenow, Camille; Homer, Caroline S.E.; Maclennan, Carolyn; Ward, Catherine L; Garcia, Daniel Martinez; Ross, David; Murdoch, David; Wilson, Deborah Joy; Adejuyigbe, Ebunoluwa A.; Stasii, Ecaterina; Scudde, Elaine; Sacks, Emma; McCollum, Eric D.; Althabe, Fernando; Russell, Fiona; Kumar, GS; Sommerfelt, Halvor; Graham, Hamish; Blencowe, Hannah; Tappis, Hannah; Saloojee, Haroon; Masaud, Hesham Abdussalam Ben; Tiwary, Hiresh; Asiodu, Ifeyinwa; Newton, James B; Bourdaire, Jessica; Adze, Joel Amwe; Martines, Jose Carlos; Lozano, Juan M; Walson, Judd; Bahl, Rajiv; Shamszai, Zainularab Zohra; Navabi, Zohreh Sadat (Peer reviewed; Journal article, 2021)