World's Best Scientists 2026 revealed!
Karl G. Kristinsson

Karl G. Kristinsson

D-Index & Metrics

Microbiology

D-Index
52
Citations
15421
World Ranking
4164
National Ranking
1

Karl G. Kristinsson 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 Karl G. Kristinsson sits on this spectrum.

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 publications 679+

This scientist: 171 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Karl G. Kristinsson 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 Karl G. Kristinsson sits on this spectrum.

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: 52 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Overview

Karl G. Kristinsson is affiliated with the University of Iceland in Iceland and has an extensive publication record in the fields of medicine and immunology and microbiology. Their research primarily focuses on epidemiology, infectious diseases, microbiology, public health, environmental and occupational health, and clinical biochemistry.

The scientist's work covers several main topics, including pneumonia and respiratory infections, bacterial infections and vaccines, respiratory viral infections research, SARS-CoV-2 and COVID-19 research, streptococcal infections and treatments, antimicrobial resistance in Staphylococcus, and COVID-19 clinical research studies.

Recent notable papers authored or co-authored by the scientist include:

  • "Spread of SARS-CoV-2 in the Icelandic Population," 2020, New England Journal of Medicine
  • "Humoral Immune Response to SARS-CoV-2 in Iceland," 2020, New England Journal of Medicine
  • "Changes in the incidence of invasive disease due to Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis during the COVID-19 pandemic in 26 countries and territories in the Invasive Respiratory Infection Surveillance Initiative: a prospective analysis of surveillance data," 2021, The Lancet Digital Health
  • "Trends in invasive bacterial diseases during the first 2 years of the COVID-19 pandemic: analyses of prospective surveillance data from 30 countries and territories in the IRIS Consortium," 2023, The Lancet Digital Health
  • "Increase in invasive group A streptococcal infections and emergence of novel, rapidly expanding sub-lineage of the virulent Streptococcus pyogenes M1 clone, Denmark, 2023," 2023, Eurosurveillance

Frequent co-authors with whom the scientist has collaborated include Helga Erlendsdóttir, Stefanie Desmet, Markus Hilty, Shamez Ladhani, and Anne von Gottberg.

The scientist has published their work in several prominent venues, with multiple contributions to bioRxiv (Cold Spring Harbor Laboratory), The Lancet Digital Health, Microorganisms, Bern Open Repository and Information System (University of Bern), and the New England Journal of Medicine.

Best Publications

  • Attributable deaths and disability-adjusted life-years caused by infections with antibiotic-resistant bacteria in the EU and the European Economic Area in 2015: a population-level modelling analysis

    Alessandro Cassini;Liselotte Diaz Högberg;Diamantis Plachouras;Annalisa Quattrocchi

  • Spread of SARS-CoV-2 in the Icelandic Population.

    Daniel F Gudbjartsson;Agnar Helgason;Hakon Jonsson;Olafur T Magnusson

  • The relationship between the volume of antimicrobial consumption in human communities and the frequency of resistance

    D. J. Austin;K. G. Kristinsson;R. M. Anderson

  • Humoral Immune Response to SARS-CoV-2 in Iceland.

    Daniel F Gudbjartsson;Gudmundur L Norddahl;Pall Melsted;Kristbjorg Gunnarsdottir

  • Emergence and spread of vancomycin resistance among enterococci in Europe

    Guido Werner;T. M. Coque;A. M. Hammerum;R. Hope

  • Do antimicrobials increase the carriage rate of penicillin resistant pneumococci in children? Cross sectional prevalence study.

    Vilhjalmur A Arason;Karl G Kristinsson;Johann A Sigurdsson;Gudrun Stefansdottir

  • Changes in the incidence of invasive disease due to Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis during the COVID-19 pandemic in 26 countries and territories in the Invasive Respiratory Infection Surveillance Initiative: a prospective analysis of surveillance data.

    Angela B. Brueggemann;Melissa J. Jansen van Rensburg;David Shaw;Noel D. McCarthy

  • Temporal and Geographic Stability of the Serogroup-Specific Invasive Disease Potential of Streptococcus pneumoniae in Children

    Angela B. Brueggemann;Timothy E. A. Peto;Derrick W. Crook;Jay C. Butler

  • Evidence for the introduction of a multiresistant clone of serotype 6B Streptococcus pneumoniae from Spain to Iceland in the late 1980s

    Sonia Soares;Karl G. Kristinsson;James M. Musser;Alexander Tomasz

  • Deep infection of cemented total hip arthroplasties caused by coagulase-negative staphylococci

    PG Hope;KG Kristinsson;P Norman;RA Elson

  • Streptococcal throat infections and exacerbation of chronic plaque psoriasis: a prospective study

    J.E. Gudjonsson;A.M. Thorarinsson;B. Sigurgeirsson;K.G. Kristinsson

  • Evolutionary pathway to increased virulence and epidemic group A Streptococcus disease derived from 3,615 genome sequences.

    Waleed Nasser;Stephen B. Beres;Randall J. Olsen;Melissa A. Dean

  • Soft antimicrobial agents: synthesis and activity of labile environmentally friendly long chain quaternary ammonium compounds.

    Thorsteinn Thorsteinsson;Már Másson;Karl G Kristinsson;Martha A Hjálmarsdóttir

  • Effect of antimicrobial use and other risk factors on antimicrobial resistance in pneumococci.

    Karl G. Kristinsson

  • Pneumococcal Capsular Switching: A Historical Perspective

    Kelly L. Wyres;Lotte M. Lambertsen;Nicholas J. Croucher;Lesley McGee

  • Whole-Genome Sequencing for Routine Pathogen Surveillance in Public Health: a Population Snapshot of Invasive Staphylococcus aureus in Europe

    David M. Aanensen;Edward J. Feil;Matthew T. G. Holden;Matthew T. G. Holden;Janina Dordel;Janina Dordel

  • Campylobacter spp. in Icelandic poultry operations and human disease.

    N J Stern;K L Hiett;G A Alfredsson;K G Kristinsson

  • Escherichia coli and Staphylococcus aureus: bad news and good news from the European Antimicrobial Resistance Surveillance Network (EARS-Net, formerly EARSS), 2002 to 2009

    C. Gagliotti;A. Balode;F. Baquero;J. Degener

  • HLA class II sequence variants influence tuberculosis risk in populations of European ancestry

    Gardar Sveinbjornsson;Gardar Sveinbjornsson;Daniel F Gudbjartsson;Daniel F Gudbjartsson;Bjarni V Halldorsson;Bjarni V Halldorsson;Karl G Kristinsson

  • Trends in invasive bacterial diseases during the first 2 years of the COVID-19 pandemic: analyses of prospective surveillance data from 30 countries and territories in the IRIS Consortium

    Unknown

  • Molecular Characterization of Methicillin-Resistant Staphylococcus epidermidis Clones: Evidence of Geographic Dissemination

    Maria Miragaia;Isabel Couto;Sandro F. F. Pereira;Karl G. Kristinsson

  • Adherence of staphylococci to intravascular catheters.

    K. G. Kristinsson

  • A molecular trigger for intercontinental epidemics of group A Streptococcus

    Luchang Zhu;Randall J. Olsen;Waleed Nasser;Stephen B. Beres

  • Carriage of Internationally Spread Clones of Streptococcus pneumoniae with Unusual Drug Resistance Patterns in Children Attending Day Care Centers in Lisbon, Portugal

    Raquel Sá-Leão;Raquel Sá-Leão;Alexander Tomasz;Ilda Santos Sanches;Ilda Santos Sanches;António Brito-Avô

  • Attributable deaths and disability-adjusted life-years caused by infections with antibiotic-resistant bacteria in the EU and the European Economic Area in 2015: a population-level modelling analysis

    Alessandro Cassini;Liselotte Diaz Hogberg;Diamantis Plachouras;Annalisa Quattrocchi

  • Coagulase negative staphylococcal infections.

    K G Kristinsson;J G Hastings;R C Spencer

Frequent Co-Authors

James M. Musser
James M. Musser Houston Methodist
Angela B. Brueggemann
Angela B. Brueggemann University of Oxford
Ingileif Jonsdottir
Ingileif Jonsdottir deCODE Genetics (Iceland)
Stephen D. Bentley
Stephen D. Bentley Wellcome Sanger Institute
Randall J. Olsen
Randall J. Olsen Houston Methodist
Hermínia de Lencastre
Hermínia de Lencastre Rockefeller University
Alexander Tomasz
Alexander Tomasz Rockefeller University
Kari Stefansson
Kari Stefansson deCODE Genetics (Iceland)
Daniel F. Gudbjartsson
Daniel F. Gudbjartsson deCODE Genetics (Iceland)
Unnur Thorsteinsdottir
Unnur Thorsteinsdottir deCODE Genetics (Iceland)

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