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Correction: Impact of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in children in a low resistance prevalence setting.

Knudsen PK, Brandtzaeg P, Høiby EA, Bohlin J, Samuelsen Ø, Steinbakk M, Abrahamsen TG, Müller F, Gammelsrud KW.

PLoS One. 2018 Feb 21;13(2):e0193439. doi: 10.1371/journal.pone.0193439. eCollection 2018.


Impact of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in children in a low resistance prevalence setting.

Knudsen PK, Brandtzaeg P, Høiby EA, Bohlin J, Samuelsen Ø, Steinbakk M, Abrahamsen TG, Müller F, Gammelsrud KW.

PLoS One. 2017 Nov 7;12(11):e0187618. doi: 10.1371/journal.pone.0187618. eCollection 2017. Erratum in: PLoS One. 2018 Feb 21;13(2):e0193439.


Benzylpenicillin plus an aminoglycoside versus meropenem in neutropenic lymphoma and leukaemia patients with a suspected bacterial infection: a randomized, controlled trial.

Torfoss D, Fladhagen T, Holte H, Brinch L, Schjesvold FH, Fløisand Y, Nyquist E, Dalgaard J, Meyer P, Lehmann AK, Hammerstrøm J, Skjelbakken T, Høiby EA, Sandvik L, Kvaløy S.

Clin Microbiol Infect. 2017 Mar;23(3):179-187. doi: 10.1016/j.cmi.2016.10.019. Epub 2016 Oct 26.


A novel Direct MIC-gradient Strip Method to screen for antibiotic-resistant faecal Enterobacteriaceae.

Gammelsrud KW, Knudsen PK, Høiby EA.

J Microbiol Methods. 2016 Oct;129:94-97. doi: 10.1016/j.mimet.2016.08.007. Epub 2016 Aug 12.


Lipooligosaccharide Structures of Invasive and Carrier Isolates of Neisseria meningitidis Are Correlated with Pathogenicity and Carriage.

John CM, Phillips NJ, Din R, Liu M, Rosenqvist E, Høiby EA, Stein DC, Jarvis GA.

J Biol Chem. 2016 Feb 12;291(7):3224-38. doi: 10.1074/jbc.M115.666214. Epub 2015 Dec 11.


Multilocus sequence typing of serial Candida albicans isolates from children with cancer, children with cystic fibrosis and healthy controls.

Gammelsrud KW, Lindstad BL, Gaustad P, Ingebretsen A, Høiby EA, Brandtzaeg P, Sandven P.

Med Mycol. 2012 Aug;50(6):619-26. doi: 10.3109/13693786.2012.675088. Epub 2012 Apr 23.


Unchanged antibiotic susceptibility in Escherichia coli and Pseudomonas aeruginosa after long-term in vitro exposure to antineoplastic drugs.

Kvakkestad KM, Gammelsrud KW, Brandtzaeg P, Høiby EA.

Chemotherapy. 2012;58(2):118-22. doi: 10.1159/000337058. Epub 2012 Apr 14.


The Norwegian experience with penicillin G plus an aminoglycoside as initial empiric therapy in febrile neutropenia; a review.

Torfoss D, Høiby EA, Holte H, Kvaløy S.

Acta Oncol. 2012 Apr;51(4):433-40. doi: 10.3109/0284186X.2011.633931. Epub 2011 Dec 19. Review.


The mild inflammatory response in febrile neutropenic lymphoma patients with low risk of complications is more pronounced in patients receiving tobramycin once daily compared with three times daily.

Torfoss D, Sandstad B, Mollnes TE, Høiby EA, Holte H, Bjerner J, Bjøro T, Gaudernack G, Kvalheim G, Kvaløy S.

Scand J Immunol. 2011 Dec;74(6):632-9. doi: 10.1111/j.1365-3083.2011.02618.x.


Diphtheria outbreak in Norway: lessons learned.

Rasmussen I, Wallace S, Mengshoel AT, Høiby EA, Brandtzæg P.

Scand J Infect Dis. 2011 Dec;43(11-12):986-9. doi: 10.3109/00365548.2011.600326. Epub 2011 Aug 26.


Colonization by Candida in children with cancer, children with cystic fibrosis, and healthy controls.

Gammelsrud KW, Sandven P, Høiby EA, Sandvik L, Brandtzaeg P, Gaustad P.

Clin Microbiol Infect. 2011 Dec;17(12):1875-81. doi: 10.1111/j.1469-0691.2011.03528.x. Epub 2011 Jul 11.


Characterization of meningococcal serogroup B outer membrane vesicle vaccines from strain 44/76 after growth in different media.

Tsolakos N, Lie K, Bolstad K, Maslen S, Kristiansen PA, Høiby EA, Wallington A, Vipond C, Skehel M, Tang CM, Feavers IM, Wedege E, Wheeler JX.

Vaccine. 2010 Apr 19;28(18):3211-8. doi: 10.1016/j.vaccine.2010.02.023. Epub 2010 Feb 25.


Impact of a pneumococcal conjugate vaccination program on carriage among children in Norway.

Vestrheim DF, Høiby EA, Aaberge IS, Caugant DA.

Clin Vaccine Immunol. 2010 Mar;17(3):325-34. doi: 10.1128/CVI.00435-09. Epub 2010 Jan 27.


Indirect effect of conjugate pneumococcal vaccination in a 2+1 dose schedule.

Vestrheim DF, Høiby EA, Bergsaker MR, Rønning K, Aaberge IS, Caugant DA.

Vaccine. 2010 Mar 2;28(10):2214-2221. doi: 10.1016/j.vaccine.2009.12.054. Epub 2010 Jan 5.


Streptococcus pyogenes isolates causing severe infections in Norway in 2006 to 2007: emm types, multilocus sequence types, and superantigen profiles.

Meisal R, Andreasson IK, Høiby EA, Aaberge IS, Michaelsen TE, Caugant DA.

J Clin Microbiol. 2010 Mar;48(3):842-51. doi: 10.1128/JCM.01312-09. Epub 2009 Dec 30.


Phenotypic and genomic characterization of pneumococcus-like streptococci isolated from HIV-seropositive patients.

Leegaard TM, Bootsma HJ, Caugant DA, Eleveld MJ, Mannsåker T, Frøholm LO, Gaustad P, Høiby EA, Hermans PW.

Microbiology. 2010 Mar;156(Pt 3):838-48. doi: 10.1099/mic.0.035345-0. Epub 2009 Dec 3.


Critical roles of complement and antibodies in host defense mechanisms against Neisseria meningitidis as revealed by human complement genetic deficiencies.

Hellerud BC, Aase A, Herstad TK, Naess LM, Kristiansen LH, Trøseid AM, Harboe M, Lappegård KT, Brandtzaeg P, Høiby EA, Mollnes TE.

Infect Immun. 2010 Feb;78(2):802-9. doi: 10.1128/IAI.01044-09. Epub 2009 Nov 23.


Molecular characteristics of pharyngeal and invasive emm3 Streptococcus pyogenes strains from Norway, 1988-2003.

Meisal R, Høiby EA, Caugant DA, Musser JM.

Eur J Clin Microbiol Infect Dis. 2010 Jan;29(1):31-43. doi: 10.1007/s10096-009-0814-5. Epub 2009 Oct 6.


Human genetic deficiencies reveal the roles of complement in the inflammatory network: lessons from nature.

Lappegård KT, Christiansen D, Pharo A, Thorgersen EB, Hellerud BC, Lindstad J, Nielsen EW, Bergseth G, Fadnes D, Abrahamsen TG, Høiby EA, Schejbel L, Garred P, Lambris JD, Harboe M, Mollnes TE.

Proc Natl Acad Sci U S A. 2009 Sep 15;106(37):15861-6. doi: 10.1073/pnas.0903613106. Epub 2009 Aug 26.


[Antibiotic treatment of women with group B Steptococci during delivery?].

Kløvstad H, Høiby EA, Aavitsland P.

Tidsskr Nor Laegeforen. 2008 Nov 6;128(21):2467-9. Norwegian.


[Bacterial resistance against antibiotics].

Høiby EA, Vestrheim DF, Caugant DA, Gammelsrud KW.

Tidsskr Nor Laegeforen. 2008 Nov 6;128(21):2452-6. Review. Norwegian.


[We must be better in antibiotics dosing].

Høiby EA, Walstad RA.

Tidsskr Nor Laegeforen. 2008 Dec 4;128(23):2750. Norwegian. No abstract available.


[Penicillin and aminoglycoside in febrile neutropenia].

Torfoss D, Høiby EA, Holte H, Kvaløy S.

Tidsskr Nor Laegeforen. 2008 Dec 4;128(23):2738-40. Review. Norwegian.


Community-acquired pneumonia (CAP) in children in Oslo, Norway.

Senstad AC, Surén P, Brauteset L, Eriksson JR, Høiby EA, Wathne KO.

Acta Paediatr. 2009 Feb;98(2):332-6. doi: 10.1111/j.1651-2227.2008.01088.x. Epub 2008 Oct 29.


Tracking airborne Legionella and Legionella pneumophila at a biological treatment plant.

Blatny JM, Reif BA, Skogan G, Andreassen O, Høiby EA, Ask E, Waagen V, Aanonsen D, Aaberge IS, Caugant DA.

Environ Sci Technol. 2008 Oct 1;42(19):7360-7.


A cluster of Legionnaires disease linked to an industrial plant in southeast Norway, June-July 2008.

Borgen K, Aaberge I, Werner-Johansen O, Gjøsund K, Størsrud B, Haugsten S, Nygard K, Krogh T, Høiby EA, Caugant DA, Kanestrøm A, Simonsen O, Blystad H.

Euro Surveill. 2008 Sep 18;13(38). pii: 18985. No abstract available.


[Invasive pneumoccal disease in children in Oslo 1998-2004].

Brauteset LV, Høiby EA, Syversen G, Surén P, Wathne KO.

Tidsskr Nor Laegeforen. 2008 Jun 12;128(12):1380-3. Norwegian.


Phenotypic and genotypic characterization of Streptococcus pneumoniae strains colonizing children attending day-care centers in Norway.

Vestrheim DF, Høiby EA, Aaberge IS, Caugant DA.

J Clin Microbiol. 2008 Aug;46(8):2508-18. doi: 10.1128/JCM.02296-07. Epub 2008 Jun 4.


Effectiveness of a 2+1 dose schedule pneumococcal conjugate vaccination programme on invasive pneumococcal disease among children in Norway.

Vestrheim DF, Løvoll O, Aaberge IS, Caugant DA, Høiby EA, Bakke H, Bergsaker MR.

Vaccine. 2008 Jun 19;26(26):3277-81. doi: 10.1016/j.vaccine.2008.03.087. Epub 2008 Apr 18.


Sequence type and emm type diversity in Streptococcus pyogenes isolates causing invasive disease in Norway between 1988 and 2003.

Meisal R, Høiby EA, Aaberge IS, Caugant DA.

J Clin Microbiol. 2008 Jun;46(6):2102-5. doi: 10.1128/JCM.00363-08. Epub 2008 Apr 16.


Specificity of subcapsular antibody responses in Ethiopian patients following disease caused by serogroup A meningococci.

Norheim G, Aseffa A, Yassin MA, Mengistu G, Kassu A, Fikremariam D, Tamire W, Merid Y, Høiby EA, Caugant DA, Fritzsønn E, Tangen T, Melak B, Berhanu D, Harboe M, Kolberg J, Rosenqvist E.

Clin Vaccine Immunol. 2008 May;15(5):863-71. doi: 10.1128/CVI.00252-07. Epub 2008 Mar 12.


An outbreak of legionnaires disease caused by long-distance spread from an industrial air scrubber in Sarpsborg, Norway.

Nygård K, Werner-Johansen Ø, Rønsen S, Caugant DA, Simonsen Ø, Kanestrøm A, Ask E, Ringstad J, Ødegård R, Jensen T, Krogh T, Høiby EA, Ragnhildstveit E, Aaberge IS, Aavitsland P.

Clin Infect Dis. 2008 Jan 1;46(1):61-9. doi: 10.1086/524016.


Genetic and biochemical characterization of CAD-1, a chromosomally encoded new class A penicillinase from Carnobacterium divergens.

Meziane-Cherif D, Decré D, Høiby EA, Courvalin P, Périchon B.

Antimicrob Agents Chemother. 2008 Feb;52(2):551-6. Epub 2007 Dec 10.


Brucellar mastitis: presentation of a case and review of the literature.

Jensenius M, von der Lippe B, Hermansen NO, Jahr G, Caugant DA, Høiby EA, Vene S.

Int J Infect Dis. 2008 Jan;12(1):98-100. Epub 2007 May 29. Review. No abstract available.


Tobramycin once versus three times daily, given with penicillin G, to febrile neutropenic cancer patients in Norway: a prospective, randomized, multicentre trial.

Torfoss D, Høiby EA, Tangen JM, Holte H, Bø K, Meyer P, Grøttum K, Weyde K, Lauritzsen GF, Sandstad B, Jacobsen AB, Olsen H, Kvaløy S.

J Antimicrob Chemother. 2007 Apr;59(4):711-7. Epub 2007 Feb 27.


Serum antibody responses in Ethiopian meningitis patients infected with Neisseria meningitidis serogroup A sequence type 7.

Norheim G, Aseffa A, Yassin MA, Mengistu G, Kassu A, Fikremariam D, Tamire W, Merid Y, Høiby EA, Caugant DA, Fritzsønn E, Tangen T, Alebel T, Berhanu D, Harboe M, Rosenqvist E.

Clin Vaccine Immunol. 2007 Apr;14(4):451-63. Epub 2007 Feb 14.


Unexpected increase in case fatality of invasive group B streptococcal infections in infants in Norway, January-July 2006.

Hajdu A, Blystad H, Høiby EA, Klouman E, Schimmer B, Nygård K.

Euro Surveill. 2006 Jul 27;11(7):E060727.2. No abstract available.


Molecular characterization of non-penicillin-susceptible Streptococcus pneumoniae in Norway.

Sogstad MK, Høiby EA, Caugant DA.

J Clin Microbiol. 2006 Sep;44(9):3225-30.


Triclosan and antimicrobial resistance in bacteria: an overview.

Yazdankhah SP, Scheie AA, Høiby EA, Lunestad BT, Heir E, Fotland TØ, Naterstad K, Kruse H.

Microb Drug Resist. 2006 Summer;12(2):83-90. Review.


Carriage of Streptococcus pneumoniae in healthy Norwegian children attending day-care centres.

Sogstad MK, Aaberge IS, Sørdal JO, Høiby EA, Frøholm LO, Alme AR, Caugant DA.

Eur J Clin Microbiol Infect Dis. 2006 Aug;25(8):510-4.


Septicaemia due to Actinobaculum schalii.

Hesstvedt L, Hasseltvedt V, Aandahl E, Caugant D, Høiby EA.

Scand J Infect Dis. 2006;38(8):735-7.


High case-fatality rates of meningococcal disease in Western Norway caused by serogroup C strains belonging to both sequence type (ST)-32 and ST-11 complexes, 1985-2002.

Smith I, Caugant DA, Høiby EA, Wentzel-Larsen T, Halstensen A.

Epidemiol Infect. 2006 Dec;134(6):1195-202. Epub 2006 May 2.


Macrolide-resistant Streptococcus pyogenes in Norway: population structure and resistance determinants.

Littauer P, Caugant DA, Sangvik M, Høiby EA, Sundsfjord A, Simonsen GS.

Antimicrob Agents Chemother. 2006 May;50(5):1896-9.


Characterization of Neisseria meningitidis isolates from recent outbreaks in Ethiopia and comparison with those recovered during the epidemic of 1988 to 1989.

Norheim G, Rosenqvist E, Aseffa A, Yassin MA, Mengistu G, Kassu A, Fikremariam D, Tamire W, Høiby EA, Alebel T, Berhanu D, Merid Y, Harboe M, Caugant DA.

J Clin Microbiol. 2006 Mar;44(3):861-71.


[Proper management of infections].

Hoddevik GH, Høiby EA, Hoddevik GM.

Tidsskr Nor Laegeforen. 2006 Jan 26;126(3):345-7. Norwegian. No abstract available.


[Quality assessment of urine dip-slides in primary care].

Bjelkarøy WI, Sandberg S, Thue G, Digranes A, Høiby EA, Lermark G, Melby KK.

Tidsskr Nor Laegeforen. 2006 Jan 12;126(2):149-52. Norwegian.


Clinical symptoms and signs in sore throat patients with large colony variant beta-haemolytic streptococci groups C or G versus group A.

Lindbaek M, Høiby EA, Lermark G, Steinsholt IM, Hjortdahl P.

Br J Gen Pract. 2005 Aug;55(517):615-9.


Development and characterisation of outer membrane vesicle vaccines against serogroup A Neisseria meningitidis.

Norheim G, Aase A, Caugant DA, Høiby EA, Fritzsønn E, Tangen T, Kristiansen P, Heggelund U, Rosenqvist E.

Vaccine. 2005 May 31;23(29):3762-74. Epub 2005 Mar 14.


[Infections in immunosuppressed children].

Wiger K, Høiby EA, Wathne KO.

Tidsskr Nor Laegeforen. 2005 May 4;125(9):1168-72. Review. Norwegian.

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