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Medical doctor and specialist in infectious diseases. Interest and experience in international humanitarian aid and global health. PhD research into long term sequels after Giardia infection. Main research interest is into diarrheal diseases. Work on Giardia and Cryptosporidium diagnostics, epidemiology and immunology, as well as a human ETEC challenge model and characterization of human immune responses against ETEC. Take part in projects on C. difficile treatment and fecal microbiota transplant in irritable bowel syndrome.

September 2025: Glutamintilskudd ved irritabel tarmsyndrom - Fordøyelsen 3/25 (Magetarmforbundet's member journal)

September 2024: - ºÚÁϳԹÏ×ÊÔ´ news

November 2023: - Webinar - Mage-tarmforbundet

December 2020: - MedicalXpress

January 2019: , Clinical Advisor

Februar 2018: i - Nettsak NRK

Februar 2018: - NRK dagsrevyen 21

November 2017: - StudVest

August 2014: – Healio Infectious Disease News

August 2014: – Healthy Living magazine

August 2014: - Bergens Tidende

Januar 2012: PhD grad -

Januar 2012: - Bergens Tidende

Januar 2008: – Aftenposten

Januar 2008: - NRK-Hordaland

Mars 2007:    - Dagens Medisin

Websites: , 

OD2MIKR - Microbiology for dentistry students - course responsible

TPBAMIKR - Microbiology/Immunology for dental assistants 

VAC901 - Vaccinology - course responsible

FARM270 - Infections & tropical diseases

Doctoral course Karolinska - Giardia & Cryptosporidium overview

SDG303 - Malaria, Neglected diseases

SYK250 - Malaria & travel medicine for nursing students

Dnlf-courses in tropical medicine, parasitlogy and infectious diseases

MED11 - Gastroenteritis

GCP901 - Good Clinical Practice

INT304 - War and health

MED4 - Microbiology for medical students

Main publications

Abate D, Robertson LJ, Seyoum B, Dessie Y, Carmena D, Johansen ØH, Tschopp R, Abdissa A, Hanevik K. Clin Microbiol Infect. 2025 Dec 29:S1198-743X(25)00632-9. doi: 10.1016/j.cmi.2025.12.021

Tipu JH, Sivertsen A, Afset JE, Sandven L, Brekke H, Lund HM, Elburg LS, Gaustad P, Lier T, Tverelv LR, Johansen ØH, Robertson LJ, Hanevik K. . Emerg Microbes Infect. 2024 Dec;13(1):2412624.

Tesfaw G, Siraj DS, Abdissa A, Jakobsen RR, Johansen ØH, Zangenberg M, Hanevik K, Mekonnen Z, Langeland N, Bjørang O, Safdar N, Mapes AC, Kates A, Krych L, Castro-Mejía JL, Nielsen DS. Nat Commun. 2024 Sep 2;15(1):7532.

Rim S, Sakkestad ST, Zhou F, Gullaksen SE, Skavland J, Chauhan SK, Steinsland H, Hanevik K. . Eur J Immunol. 2023 Apr 27:e2250254

Saghaug CS, Gamlem AL, Hauge KB, Vahokoski J, Klotz C, Aebischer T, Langeland N, Hanevik K. . Int J Parasitol Drugs Drug Resist. 2023 Apr;21:51-60.

Johansen ØH, Abdissa A, Bjørang O, Zangenberg M, Sharew B, Alemu Y, Moyo S, Mekonnen Z, Langeland N, Robertson LJ, Hanevik K. . Microbiol Spectr. 2022 Aug 31;10(4):e0274121

Johansen ØH, Abdissa A, Zangenberg M, Mekonnen Z, Eshetu B, Bjørang O, Alemu Y, Sharew B, Langeland N, Robertson LJ, Hanevik K. . Lancet Infect Dis. 2020 Dec 3:S1473-3099(20)30556-9.

Sakkestad ST, Steinsland H, Skrede S, Lillebø K, Skutlaberg DH, Guttormsen AB, Zavialov A, Paavilainen S, Søyland H, Sævik M, Heien AR, Tellevik MG, Barry E, Langeland N, Sommerfelt H, Hanevik K. PLoS Negl Trop Dis. 2019 Oct 30;13(10):e0007823.

Dizdar V, Hausken T, Larum OD, Gilja OH, Langeland N, Hanevik K. . J Infect Dis. 2018 Nov 30

Hanevik K, Kristoffersen E, Mørch K, Rye KP, Sørnes S, Svärd S, Bruserud Ø, Langeland N. BMC Immunol. 2017 Jan 28;18(1):5.

Tellevik MG, Moyo SJ, Blomberg B, Hjøllo T, Maselle SY, Langeland N, Hanevik K. . PLoS Negl Trop Dis. 2015 Oct 9;9(10):e0004125.

Hanevik K, Wensaas KA, Rortveit G, Eide GE, Mørch K, Langeland N. Clin Infect Dis. 2014 Nov 15;59(10):1394-400.

PhD-thesis:

Websites: , 

- Impact of a cryptosporidiosis point-of-care test-and-treat strategy in children with diarrhoea (2024 ->), EDTCP3

- Bacterial strain colonization in fecal microbiota transfer therapy in patients with irritable bowel syndrome (2023 -> ), Helse-Vest

- Transplantation of intestinal microbiota in primary Clostridoides difficile infections (2022 ->), NRC

- Detection and prevalence of intestinal parasites in Norway, including genotyping of circulating Giardia and Cryptosporidium variants (2022 -> ), Tropesenteret / Helse-Førde

- Experimental infection of volunteers with heat-stable toxin (ST)-only producing enterotoxigenic Escherichia coli (ETEC) (2014 ->), NRC

Combined Shigella-ETEC vaccine - in collaboration with prof Eileen Barry at Center for Vaccine development, University of Maryland, Baltimore, USA (2015), ºÚÁϳԹÏ×ÊÔ´/HelseVest

BCGI - An immuological substudy of innate and adaptive immunity within the study - a randomized controlled trial of the effect of deferring BCG vaccination to 14 weeks of age in HIV-1 exposed infants in Uganda - (2017 ->), CISMAC/NRC

- LED microscopy for Cryptosporidium testing in children in low-income countries (2016 ->), NRC, BMGF

GSI - Metronidazole resistent Giardia infeksjon og immun responser mot Giardia (2010 -> ), ºÚÁϳԹÏ×ÊÔ´, Tropesenteret

Previous projects

GIFF - Giardia lamblia indusert kronisk fatigue syndrom og funksjonelle mageplager – biomarkører, risikofaktorer og effekt av intervensjon (2008 - 2019)

- pan-Europeisk interdisiplinært nettverk for å identifiserte genetiske faktorer som bidrar til utvikling av irritabel tarm syndrom

- European Network for Foodborne Parasites