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Microbiology
Norway
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 68 2194 2003 7 6 196 14135

Arnfinn Sundsfjord publications per year

The chart shows the history of publications by Arnfinn Sundsfjord between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Arnfinn Sundsfjord published across 43 years, from 1983 to 2025, averaging 5.1 papers a year. Output peaked at 14 publications in 2011. 18 of the 219 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2011. 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 1 publication 1989: 0 publications 1990: 2 publications 1991: 2 publications 1992: 2 publications 1993: 0 publications 1994: 3 publications 1995: 1 publication 1996: 0 publications 1997: 3 publications 1998: 8 publications 1999: 2 publications 2000: 3 publications 2001: 1 publication 2002: 4 publications 2003: 3 publications 2004: 5 publications 2005: 7 publications 2006: 4 publications 2007: 11 publications 2008: 10 publications 2009: 9 publications 2010: 9 publications 2011: 14 publications 2012: 11 publications 2013: 11 publications 2014: 13 publications 2015: 5 publications 2016: 6 publications 2017: 5 publications 2018: 5 publications 2019: 3 publications 2020: 4 publications 2021: 12 publications 2022: 7 publications 2023: 14 publications 2024: 8 publications 2025: 10 publications
1983 2025

219 publications in total across all disciplines

View publications per year as a table
Arnfinn Sundsfjord: publications per year, 1983 to 2025
Year Publications
1983 1
1984 0
1985 0
1986 0
1987 0
1988 1
1989 0
1990 2
1991 2
1992 2
1993 0
1994 3
1995 1
1996 0
1997 3
1998 8
1999 2
2000 3
2001 1
2002 4
2003 3
2004 5
2005 7
2006 4
2007 11
2008 10
2009 9
2010 9
2011 14
2012 11
2013 11
2014 13
2015 5
2016 6
2017 5
2018 5
2019 3
2020 4
2021 12
2022 7
2023 14
2024 8
2025 10
Total 219
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Arnfinn Sundsfjord publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Arnfinn Sundsfjord sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 195–204 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 196 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234 196
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Arnfinn Sundsfjord D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Arnfinn Sundsfjord sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 68 D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 68 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103 68
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Research.com Recognitions

  • 2026 - Research.com Microbiology in Norway Leader Award
  • 2025 - Research.com Microbiology in Norway Leader Award
  • 2022 - Research.com Microbiology in Norway Leader Award

Overview

Arnfinn Sundsfjord is affiliated with the University of Tromsø - The Arctic University of Norway in Norway. The scientist's research portfolio spans multiple areas within biochemistry, genetics, molecular biology, and medicine, with a particular focus on infectious diseases and antimicrobial resistance.

Their main fields of study include:

  • Biochemistry, Genetics and Molecular Biology
  • Medicine

Subfields of study emphasize areas such as:

  • Molecular Medicine
  • Endocrinology
  • Epidemiology
  • Infectious Diseases
  • Clinical Biochemistry

The core topics of their work address aspects related to:

  • Antibiotic Resistance in Bacteria
  • Bacterial Identification and Susceptibility Testing
  • Antimicrobial Resistance in Staphylococcus
  • Enterobacteriaceae and Cronobacter Research
  • Bacterial biofilms and quorum sensing
  • Bacterial Genetics and Biotechnology
  • Escherichia coli research studies

Arnfinn Sundsfjord has co-authored frequently with:

  • Ørjan Samuelsen
  • Iren H. Löhr
  • Marit Andrea Klokkhammer Hetland
  • Gunnar Skov Simonsen
  • Niclas Raffelsberger

Several publication venues commonly feature their work, including:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Tidsskrift for Den norske legeforening
  • Clinical Microbiology and Infection
  • Journal of Antimicrobial Chemotherapy
  • Microbial Genomics

Recent papers authored by Arnfinn Sundsfjord highlight various aspects of bacterial resistance and epidemiology:

  • Gastrointestinal carriage of Klebsiella pneumoniae in a general adult population: a cross-sectional study of risk factors and bacterial genomic diversity, 2021, Gut Microbes
  • Pseudomonas aeruginosa antimicrobial susceptibility profiles, resistance mechanisms and international clonal lineages: update from ESGARS-ESCMID/ISARPAE Group, 2023, Clinical Microbiology and Infection
  • Structural basis for PoxtA-mediated resistance to phenicol and oxazolidinone antibiotics, 2022, Nature Communications
  • High prevalence of multidrug resistant ESBL- and plasmid mediated AmpC-producing clinical isolates of Escherichia coli at Maputo Central Hospital, Mozambique, 2021, BMC Infectious Diseases
  • A nationwide genomic study of clinical Klebsiella pneumoniae in Norway 2001-15: introduction and spread of ESBLs facilitated by clonal groups CG15 and CG307, 2021, Journal of Antimicrobial Chemotherapy

Best Publications

  • Understanding the mechanisms and drivers of antimicrobial resistance

    Alison H Holmes;Luke S P Moore;Arnfinn Sundsfjord;Arnfinn Sundsfjord;Martin Steinbakk

  • Mobile genetic elements and their contribution to the emergence of antimicrobial resistant Enterococcus faecalis and Enterococcus faecium.

    K. Hegstad;K. Hegstad;T. Mikalsen;T.M. Coque;G. Werner

  • Insights into the global molecular epidemiology of carbapenem non-susceptible clones of Acinetobacter baumannii.

    Nabil Karah;Nabil Karah;Arnfinn Sundsfjord;Arnfinn Sundsfjord;Kevin Towner;Ørjan Samuelsen

  • A sensitive and specific phenotypic assay for detection of metallo-β-lactamases and KPC in Klebsiella pneumoniae with the use of meropenem disks supplemented with aminophenylboronic acid, dipicolinic acid and cloxacillin

    C.G. Giske;C.G. Giske;L. Gezelius;Ø. Samuelsen;M. Warner

  • Genetic methods for detection of antimicrobial resistance

    Arnfinn Sundsfjord;Arnfinn Sundsfjord;Gunnar S. Simonsen;Bjørg C. Haldorsen;Håkon Haaheim

  • The CTX-M Conundrum: Dissemination of Plasmids and Escherichia coli Clones

    Umaer Naseer;Arnfinn Sundsfjord

  • Risk factors for community-acquired urinary tract infections caused by ESBL-producing enterobacteriaceae--a case-control study in a low prevalence country

    Arne Vasli Lund Søraas;Arnfinn Sundsfjord;Arnfinn Sundsfjord;Irene Sandven;Cathrine Brunborg

  • Emergence of clonally related Klebsiella pneumoniae isolates of sequence type 258 producing plasmid-mediated KPC carbapenemase in Norway and Sweden

    Ørjan Samuelsen;Umaer Naseer;Ståle Tofteland;Dag Harald Skutlaberg

  • Effects of Phenotype and Genotype on Methods for Detection of Extended-Spectrum-β-Lactamase-Producing Clinical Isolates of Escherichia coli and Klebsiella pneumoniae in Norway

    Ståle Tofteland;Bjørg Haldorsen;Kristin H. Dahl;Gunnar S. Simonsen;Gunnar S. Simonsen

  • Molecular Epidemiology of Metallo-β-Lactamase-Producing Pseudomonas aeruginosa Isolates from Norway and Sweden Shows Import of International Clones and Local Clonal Expansion

    Ørjan Samuelsen;Mark A. Toleman;Arnfinn Sundsfjord;Arnfinn Sundsfjord;Johan Rydberg

  • Amplification and sequencing of the control regions of BK and JC virus from human urine by polymerase chain reaction

    Trond Flægstad;Trond Flægstad;Arnfinn Sundsfjord;Ray R. Arthur;Michael Pedersen

  • BK and JC Viruses in Human Immunodeficiency Virus Type 1-Infected Persons: Prevalence, Excretion, Viremia, and Viral Regulatory Regions

    Arnfinn Sundsfjord;Trond Flaegstad;Reinhardt Flø;Anna R. Spein

  • Redefining extended-spectrum β-lactamases: balancing science and clinical need

    Christian G. Giske;Arnfinn S. Sundsfjord;Gunnar Kahlmeter;Neil Woodford

  • The effect of dietary fatty acids on lactic acid bacteria associated with the epithelial mucosa and from faecalia of Arctic charr, Salvelinus alpinus (L.)

    E. Ringø;H. R. Bendiksen;S. J. Gausen;A. Sundsfjord

  • Heterogeneity in the vanB Gene Cluster of Genomically Diverse Clinical Strains of Vancomycin-Resistant Enterococci

    Kristin Hegstad Dahl;Gunnar Skov Simonsen;Ørjan Olsvik;Arnfinn Sundsfjord

  • Factors affecting the reversal of antimicrobial-drug resistance.

    Pål J Johnsen;Jeffrey P Townsend;Thomas Bøhn;Gunnar S Simonsen;Gunnar S Simonsen;Gunnar S Simonsen

  • Multilevel population genetic analysis of vanA and vanB Enterococcus faecium causing nosocomial outbreaks in 27 countries (1986–2012)

    Ana R Freitas;Ana P. Tedim;Maria Francia;Lars Bogø Jensen

  • Experimental expression in mice and spontaneous expression in human SLE of polyomavirus T-antigen. A molecular basis for induction of antibodies to DNA and eukaryotic transcription factors.

    O P Rekvig;U Moens;A Sundsfjord;G Bredholt

  • WHO global research priorities for antimicrobial resistance in human health

    Unknown

  • A long-term low-frequency hospital outbreak of KPC-producing Klebsiella pneumoniae involving Intergenus plasmid diffusion and a persisting environmental reservoir.

    Ståle Tofteland;Umaer Naseer;Umaer Naseer;Jan Helge Lislevand;Arnfinn Sundsfjord;Arnfinn Sundsfjord

  • Continuing high prevalence of VanA-type vancomycin-resistant enterococci on Norwegian poultry farms three years after avoparcin was banned.

    K. Borgen;K. Borgen;G.S. Simonsen;A. Sundsfjord;Y. Wasteson

  • PCR-based plasmid typing in Enterococcus faecium strains reveals widely distributed pRE25-, pRUM-, pIP501- and pHTβ-related replicons associated with glycopeptide resistance and stabilizing toxin–antitoxin systems

    Torill C.S. Rosvoll;Torunn Pedersen;Hege Sletvold;Pål. J. Johnsen

Frequent Co-Authors

Gunnar Skov Simonsen
Gunnar Skov Simonsen Wellcome Sanger Institute
Ørjan Samuelsen
Ørjan Samuelsen University Hospital of North Norway
Christian G. Giske
Christian G. Giske Karolinska University Hospital
Timothy R. Walsh
Timothy R. Walsh University of Oxford
Dominique A. Caugant
Dominique A. Caugant Norwegian Institute of Public Health
Gunnar Kahlmeter
Gunnar Kahlmeter Uppsala University
Sabiha Y. Essack
Sabiha Y. Essack University of KwaZulu-Natal
Rob J. L. Willems
Rob J. L. Willems Utrecht University
Kaare Magne Nielsen
Kaare Magne Nielsen University of Tromsø - The Arctic University of Norway
Mark Toleman
Mark Toleman Cardiff University

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