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Prolonged and persistent diarrhoea is not restricted to children with acute malnutrition: an observational study in Ethiopia.

Zangenberg M, Johansen ØH, Abdissa A, Eshetu B, Kurtzhals JAL, Friis H, Sommerfelt H, Langeland N, Hanevik K.

Trop Med Int Health. 2019 Sep;24(9):1088-1097. doi: 10.1111/tmi.13291. Epub 2019 Aug 16.


Assessment of malaria real-time PCR methods and application with focus on low-level parasitaemia.

Haanshuus CG, Mørch K, Blomberg B, Strøm GEA, Langeland N, Hanevik K, Mohn SC.

PLoS One. 2019 Jul 5;14(7):e0218982. doi: 10.1371/journal.pone.0218982. eCollection 2019.


Genetic variation in metronidazole metabolism and oxidative stress pathways in clinical Giardia lamblia assemblage A and B isolates.

Saghaug CS, Klotz C, Kallio JP, Brattbakk HR, Stokowy T, Aebischer T, Kursula I, Langeland N, Hanevik K.

Infect Drug Resist. 2019 May 10;12:1221-1235. doi: 10.2147/IDR.S177997. eCollection 2019.


Identification of Conserved Candidate Vaccine Antigens in the Surface Proteome of Giardia lamblia.

Davids BJ, Liu CM, Hanson EM, Le CHY, Ang J, Hanevik K, Fischer M, Radunovic M, Langeland N, Ferella M, Svärd SG, Ghassemian M, Miyamoto Y, Eckmann L.

Infect Immun. 2019 May 21;87(6). pii: e00219-19. doi: 10.1128/IAI.00219-19. Print 2019 Jun.


Quality of life and its association with irritable bowel syndrome and fatigue ten years after giardiasis.

Litleskare S, Rortveit G, Eide GE, Emberland KE, Hanevik K, Langeland N, Wensaas KA.

Neurogastroenterol Motil. 2019 May;31(5):e13559. doi: 10.1111/nmo.13559. Epub 2019 Feb 14.


Soluble markers of neutrophil, T-cell and monocyte activation are associated with disease severity and parasitemia in falciparum malaria.

Otterdal K, Berg A, Michelsen AE, Patel S, Tellevik MG, Haanshuus CG, Fevang B, Aukrust P, Langeland N, Ueland T.

BMC Infect Dis. 2018 Dec 18;18(1):670. doi: 10.1186/s12879-018-3593-8.


Prolonged Duodenal Mucosal Lymphocyte Alterations in Patients With and Without Postinfectious Functional Gastrointestinal Disorders After Giardia Infection.

Dizdar V, Hausken T, Laerum OD, Gilja OH, Langeland N, Hanevik K.

J Infect Dis. 2019 Jun 19;220(2):321-329. doi: 10.1093/infdis/jiy690.


Transient elevation of anti-transglutaminase and anti-endomysium antibodies in Giardia infection.

Hanevik K, Wik E, Langeland N, Hausken T.

Scand J Gastroenterol. 2018 Jun - Jul;53(7):809-812. doi: 10.1080/00365521.2018.1481522. Epub 2018 Jun 16.


Longitudinal cohort study of serum antibody responses towards Giardia lamblia variant-specific surface proteins in a non-endemic area.

Hjøllo T, Bratland E, Steinsland H, Radunovic M, Langeland N, Hanevik K.

Exp Parasitol. 2018 Aug;191:66-72. doi: 10.1016/j.exppara.2018.06.005. Epub 2018 Jun 15.


Correction: A High Malaria Prevalence Identified by PCR among Patients with Acute Undifferentiated Fever in India.

Haanshuus CG, Chandy S, Manoharan A, Vivek R, Mathai D, Xena D, Singh A, Langeland N, Blomberg B, Vasanthan G, Sitaram U, Appasamy J, Nesaraj J, Henry A, Patil S, Alvarez-Uria G, Armstrong L, Mørch K.

PLoS One. 2018 Feb 23;13(2):e0193574. doi: 10.1371/journal.pone.0193574. eCollection 2018.


Prevalence of Irritable Bowel Syndrome and Chronic Fatigue 10 Years After Giardia Infection.

Litleskare S, Rortveit G, Eide GE, Hanevik K, Langeland N, Wensaas KA.

Clin Gastroenterol Hepatol. 2018 Jul;16(7):1064-1072.e4. doi: 10.1016/j.cgh.2018.01.022. Epub 2018 Mar 6.


Epidemiology and impact on all-cause mortality of sepsis in Norwegian hospitals: A national retrospective study.

Knoop ST, Skrede S, Langeland N, Flaatten HK.

PLoS One. 2017 Nov 17;12(11):e0187990. doi: 10.1371/journal.pone.0187990. eCollection 2017.


Acute undifferentiated fever in India: a multicentre study of aetiology and diagnostic accuracy.

Mørch K, Manoharan A, Chandy S, Chacko N, Alvarez-Uria G, Patil S, Henry A, Nesaraj J, Kuriakose C, Singh A, Kurian S, Gill Haanshuus C, Langeland N, Blomberg B, Vasanthan Antony G, Mathai D.

BMC Infect Dis. 2017 Oct 4;17(1):665. doi: 10.1186/s12879-017-2764-3.


Genetic variation in potential Giardia vaccine candidates cyst wall protein 2 and α1-giardin.

Radunovic M, Klotz C, Saghaug CS, Brattbakk HR, Aebischer T, Langeland N, Hanevik K.

Parasitol Res. 2017 Aug;116(8):2151-2158. doi: 10.1007/s00436-017-5516-9. Epub 2017 Jun 3.


Comprehensive Analysis of Prevalence, Epidemiologic Characteristics, and Clinical Characteristics of Monoinfection and Coinfection in Diarrheal Diseases in Children in Tanzania.

Moyo SJ, Kommedal Ø, Blomberg B, Hanevik K, Tellevik MG, Maselle SY, Langeland N.

Am J Epidemiol. 2017 Nov 1;186(9):1074-1083. doi: 10.1093/aje/kwx173.


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.

Manyahi J, Moyo SJ, Tellevik MG, Ndugulile F, Urassa W, Blomberg B, Langeland N.

BMC Infect Dis. 2017 Apr 17;17(1):282. doi: 10.1186/s12879-017-2395-8.


Giardia-specific cellular immune responses in post-giardiasis chronic fatigue syndrome.

Hanevik K, Kristoffersen E, Mørch K, Rye KP, Sørnes S, Svärd S, Bruserud Ø, Langeland N.

BMC Immunol. 2017 Jan 28;18(1):5. doi: 10.1186/s12865-017-0190-3.


An observational study of community-acquired severe sepsis comparing intensive care and non-intensive care patients.

Nygård ST, Skrede S, Langeland N, Flaatten HK.

Acta Anaesthesiol Scand. 2017 Feb;61(2):194-204. doi: 10.1111/aas.12848. Epub 2017 Jan 6.


High Prevalence of Faecal Carriage of ESBL-Producing Enterobacteriaceae among Children in Dar es Salaam, Tanzania.

Tellevik MG, Blomberg B, Kommedal Ø, Maselle SY, Langeland N, Moyo SJ.

PLoS One. 2016 Dec 9;11(12):e0168024. doi: 10.1371/journal.pone.0168024. eCollection 2016.


Molecular Characterization of Cotrimoxazole Resistance Genes and Their Associated Integrons in Clinical Isolates of Gram-Negative Bacteria from Tanzania.

Manyahi J, Tellevik MG, Ndugulile F, Moyo SJ, Langeland N, Blomberg B.

Microb Drug Resist. 2017 Jan;23(1):37-43. doi: 10.1089/mdr.2016.0074. Epub 2016 Aug 17.


Early Response in Cellulitis: A Prospective Study of Dynamics and Predictors.

Bruun T, Oppegaard O, Hufthammer KO, Langeland N, Skrede S.

Clin Infect Dis. 2016 Oct 15;63(8):1034-1041. doi: 10.1093/cid/ciw463. Epub 2016 Jul 11.


A High Malaria Prevalence Identified by PCR among Patients with Acute Undifferentiated Fever in India.

Haanshuus CG, Chandy S, Manoharan A, Vivek R, Mathai D, Xena D, Singh A, Langeland N, Blomberg B, Vasanthan G, Sitaram U, Appasamy J, Nesaraj J, Henry A, Patil S, Alvarez-Uria G, Armstrong L, Mørch K.

PLoS One. 2016 Jul 7;11(7):e0158816. doi: 10.1371/journal.pone.0158816. eCollection 2016. Erratum in: PLoS One. 2018 Feb 23;13(2):e0193574.


Excessive daytime sleepiness, sleep need and insomnia 3 years after Giardia infection: a cohort study.

Hunskar GS, Bjorvatn B, Wensaas KA, Hanevik K, Eide GE, Langeland N, Rortveit G.

Sleep Health. 2016 Jun;2(2):154-158. doi: 10.1016/j.sleh.2016.03.005. Epub 2016 Apr 26.


Postinfectious and sporadic functional gastrointestinal disorders have different prevalences and rates of overlap: results from a controlled cohort study 3 years after acute giardiasis.

Wensaas KA, Hanevik K, Hausken T, Eide GE, Langeland N, Mørch K, Rortveit G.

Neurogastroenterol Motil. 2016 Oct;28(10):1561-9. doi: 10.1111/nmo.12856. Epub 2016 May 18.


Etiology of Cellulitis and the Validity of New and Old Methods.

Bruun T, Oppegaard O, Kittang BR, Mylvaganam H, Langeland N, Skrede S.

Clin Infect Dis. 2016 Apr 1;62(7):954-5. doi: 10.1093/cid/ciw003. Epub 2016 Jan 6. No abstract available.


Etiology of Cellulitis and Clinical Prediction of Streptococcal Disease: A Prospective Study.

Bruun T, Oppegaard O, Kittang BR, Mylvaganam H, Langeland N, Skrede S.

Open Forum Infect Dis. 2015 Nov 25;3(1):ofv181. doi: 10.1093/ofid/ofv181. eCollection 2016 Jan.


Global collaboration bears fruit: Tanzania report.

Fredrick FF, Ruggajo PJ, Basu G, Svarstad E, Langeland N.

Kidney Int. 2015 Dec;88(6):1211-1214. doi: 10.1038/ki.2015.248. No abstract available.


Perceived food intolerance and irritable bowel syndrome in a population 3 years after a giardiasis-outbreak: a historical cohort study.

Litleskare S, Wensaas KA, Eide GE, Hanevik K, Kahrs GE, Langeland N, Rortveit G.

BMC Gastroenterol. 2015 Nov 19;15:164. doi: 10.1186/s12876-015-0393-0.


Salivary IgA from the sublingual compartment as a novel noninvasive proxy for intestinal immune induction.

Aase A, Sommerfelt H, Petersen LB, Bolstad M, Cox RJ, Langeland N, Guttormsen AB, Steinsland H, Skrede S, Brandtzaeg P.

Mucosal Immunol. 2016 Jul;9(4):884-93. doi: 10.1038/mi.2015.107. Epub 2015 Oct 28.


Dogs as the source of Giardia in Bergen in 2004 – barking up the wrong tree?

Robertson LJ, Tysnes KR, Hanevik K, Langeland N, Mørch K, Hausken T, Nygård K.

Tidsskr Nor Laegeforen. 2015 Oct 20;135(19):1718-20. doi: 10.4045/tidsskr.15.0883. eCollection 2015 Oct 20. English, Norwegian. No abstract available.


Prevalence of Cryptosporidium parvum/hominis, Entamoeba histolytica and Giardia lamblia among Young Children with and without Diarrhea in Dar es Salaam, Tanzania.

Tellevik MG, Moyo SJ, Blomberg B, Hjøllo T, Maselle SY, Langeland N, Hanevik K.

PLoS Negl Trop Dis. 2015 Oct 9;9(10):e0004125. doi: 10.1371/journal.pntd.0004125. eCollection 2015.


Short interferon and ribavirin treatment for HCV genotype 2 or 3 infection: NORDynamIC trial and real-life experience.

Waldenström J, Färkkilä M, Rembeck K, Norkrans G, Langeland N, Mørch K, Pedersen C, Rauning Buhl M, Nieminen U, Nuutinen H, Alsiö Å, Holmström L, Jungnelius R, Lund K, Rubensson A, Torell E, Westin J, Lagging M.

Scand J Gastroenterol. 2016 Mar;51(3):337-43. doi: 10.3109/00365521.2015.1087588. Epub 2015 Sep 29.


Human Memory CD4+ T Cell Immune Responses against Giardia lamblia.

Saghaug CS, Sørnes S, Peirasmaki D, Svärd S, Langeland N, Hanevik K.

Clin Vaccine Immunol. 2015 Sep 16;23(1):11-8. doi: 10.1128/CVI.00419-15. Print 2016 Jan.


The relationship between irritable bowel syndrome, functional dyspepsia, chronic fatigue and overactive bladder syndrome: a controlled study 6 years after acute gastrointestinal infection.

Persson R, Wensaas KA, Hanevik K, Eide GE, Langeland N, Rortveit G.

BMC Gastroenterol. 2015 Jun 10;15:66. doi: 10.1186/s12876-015-0296-0.


Complement Activation Correlates With Disease Severity and Contributes to Cytokine Responses in Plasmodium falciparum Malaria.

Berg A, Otterdal K, Patel S, Gonca M, David C, Dalen I, Nymo S, Nilsson M, Nordling S, Magnusson PU, Ueland T, Prato M, Giribaldi G, Mollnes TE, Aukrust P, Langeland N, Nilsson PH.

J Infect Dis. 2015 Dec 1;212(11):1835-40. doi: 10.1093/infdis/jiv283. Epub 2015 May 15.


Genetic relatedness and risk factor analysis of ampicillin-resistant and high-level gentamicin-resistant enterococci causing bloodstream infections in Tanzanian children.

Aamodt H, Mohn SC, Maselle S, Manji KP, Willems R, Jureen R, Langeland N, Blomberg B.

BMC Infect Dis. 2015 Feb 28;15:107. doi: 10.1186/s12879-015-0845-8.


Whole genome sequencing of clinical isolates of Giardia lamblia.

Hanevik K, Bakken R, Brattbakk HR, Saghaug CS, Langeland N.

Clin Microbiol Infect. 2015 Feb;21(2):192.e1-3. doi: 10.1016/j.cmi.2014.08.014. Epub 2014 Oct 29.


Cytokine network in adults with falciparum Malaria and HIV-1: increased IL-8 and IP-10 levels are associated with disease severity.

Berg A, Patel S, Gonca M, David C, Otterdal K, Ueland T, Dalen I, Kvaløy JT, Mollnes TE, Aukrust P, Langeland N.

PLoS One. 2014 Dec 11;9(12):e114480. doi: 10.1371/journal.pone.0114480. eCollection 2014.


Prevalence and molecular characterisation of human adenovirus in diarrhoeic children in Tanzania; a case control study.

Moyo SJ, Hanevik K, Blomberg B, Kommedal O, Nordbø SA, Maselle S, Langeland N.

BMC Infect Dis. 2014 Dec 12;14:666. doi: 10.1186/s12879-014-0666-1.


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.

Moyo S, Haldorsen B, Aboud S, Blomberg B, Maselle SY, Sundsfjord A, Langeland N, Samuelsen Ø.

Antimicrob Agents Chemother. 2015 Jan;59(1):682-5. doi: 10.1128/AAC.01436-13. Epub 2014 Oct 20.


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.

Rørtveit S, Skutlaberg DH, Langeland N, Rortveit G.

Scand J Infect Dis. 2014 Dec;46(12):832-7. doi: 10.3109/00365548.2014.947317. Epub 2014 Sep 17.


Experimental infection of healthy volunteers with enterotoxigenic Escherichia coli wild-type strain TW10598 in a hospital ward.

Skrede S, Steinsland H, Sommerfelt H, Aase A, Brandtzaeg P, Langeland N, Cox RJ, Saevik M, Wallevik M, Skutlaberg DH, Tellevik MG, Sack DA, Nataro JP, Guttormsen AB.

BMC Infect Dis. 2014 Sep 4;14:482. doi: 10.1186/1471-2334-14-482.


Irritable bowel syndrome and chronic fatigue 6 years after giardia infection: a controlled prospective cohort study.

Hanevik K, Wensaas KA, Rortveit G, Eide GE, Mørch K, Langeland N.

Clin Infect Dis. 2014 Nov 15;59(10):1394-400. doi: 10.1093/cid/ciu629. Epub 2014 Aug 12.


Genetic diversity of norovirus in hospitalised diarrhoeic children and asymptomatic controls in Dar es Salaam, Tanzania.

Moyo S, Hanevik K, Blomberg B, Kommedal O, Vainio K, Maselle S, Langeland N.

Infect Genet Evol. 2014 Aug;26:340-7. doi: 10.1016/j.meegid.2014.06.013. Epub 2014 Jun 21.


Comparison of four methods for extracting DNA from dried blood on filter paper for PCR targeting the mitochondrial Plasmodium genome.

Strøm GE, Tellevik MG, Hanevik K, Langeland N, Blomberg B.

Trans R Soc Trop Med Hyg. 2014 Aug;108(8):488-94. doi: 10.1093/trstmh/tru084. Epub 2014 Jun 7.


Genetic diversity of circulating rotavirus strains in Tanzania prior to the introduction of vaccination.

Moyo SJ, Blomberg B, Hanevik K, Kommedal O, Vainio K, Maselle SY, Langeland N.

PLoS One. 2014 May 20;9(5):e97562. doi: 10.1371/journal.pone.0097562. eCollection 2014.


PCR targeting Plasmodium mitochondrial genome of DNA extracted from dried blood on filter paper compared to whole blood.

Strøm GE, Moyo S, Fataki M, Langeland N, Blomberg B.

Malar J. 2014 Apr 7;13:137. doi: 10.1186/1475-2875-13-137.


A novel fibrosis index comprising a non-cholesterol sterol accurately predicts HCV-related liver cirrhosis.

Ydreborg M, Lisovskaja V, Lagging M, Brehm Christensen P, Langeland N, Buhl MR, Pedersen C, Mørch K, Wejstål R, Norkrans G, Lindh M, Färkkilä M, Westin J.

PLoS One. 2014 Apr 3;9(4):e93601. doi: 10.1371/journal.pone.0093601. eCollection 2014.


Reply: To PMID 24519039.

Lagging M, Rembeck K, Waldenström J, Nilsson S, Nyström K, Martner A, Lindh M, Norkrans G, Westin J, Pedersen C, Färkkilä M, Langeland N, Buhl MR, Mørch K, Christensen PB, Hellstrand K.

Hepatology. 2014 Dec;60(6):2130-1. doi: 10.1002/hep.27108. Epub 2014 Sep 24. No abstract available.


Aetiology, antimicrobial therapy and outcome of patients with community acquired severe sepsis: a prospective study in a Norwegian university hospital.

Nygård ST, Langeland N, Flaatten HK, Fanebust R, Haugen O, Skrede S.

BMC Infect Dis. 2014 Mar 4;14:121. doi: 10.1186/1471-2334-14-121.

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