World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
61
Citations
12718
World Ranking
3010
National Ranking
9

Spyros Pournaras 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 Spyros Pournaras 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: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 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: 240 publications — 62nd percentile

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

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

Spyros Pournaras 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 Spyros Pournaras 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: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 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: 93 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: 61 D-Index — 47th percentile

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

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

Overview

Spyros Pournaras is affiliated with the National and Kapodistrian University of Athens in Greece. Their research primarily addresses topics in Medicine and Biochemistry, Genetics and Molecular Biology, with a strong focus on infectious diseases, molecular medicine, and epidemiology.

The main fields of study for Spyros Pournaras include:

  • Medicine
  • Biochemistry, Genetics and Molecular Biology

Subfields of particular interest are:

  • Infectious Diseases
  • Molecular Medicine
  • Epidemiology
  • Applied Microbiology and Biotechnology
  • Pharmacology

The scientist's work covers various aspects of antimicrobial resistance and infectious agents, with main topics including:

  • Antibiotic Resistance in Bacteria
  • Antibiotic Use and Resistance
  • Antifungal resistance and susceptibility
  • Antibiotics Pharmacokinetics and Efficacy
  • Bacterial Identification and Susceptibility Testing
  • Fungal Infections and Studies
  • SARS-CoV-2 and COVID-19 Research

Spyros Pournaras has contributed to a significant number of academic papers and book publications. Recent papers include:

  • Molecular Epidemiology and Antifungal Susceptibility of Trichophyton Isolates in Greece: Emergence of Terbinafine-Resistant Trichophytonmentagrophytes Type VIII Locally and Globally, 2021, Journal of Fungi
  • The ERACE-PA Global Surveillance Program: Ceftolozane/tazobactam and Ceftazidime/avibactam in vitro Activity against a Global Collection of Carbapenem-resistant Pseudomonas aeruginosa, 2021, European Journal of Clinical Microbiology & Infectious Diseases
  • Pseudomonas aeruginosa antimicrobial susceptibility profiles, resistance mechanisms and international clonal lineages: update from ESGARS-ESCMID/ISARPAE Group, 2023, Clinical Microbiology and Infection
  • COVID-19 and Antimicrobial Resistance: Data from the Greek Electronic System for the Surveillance of Antimicrobial Resistance-WHONET-Greece (January 2018-March 2021), 2021, Life
  • Activity of Sulbactam-Durlobactam and Comparators Against a National Collection of Carbapenem-Resistant Acinetobacter baumannii Isolates From Greece, 2022, Frontiers in Cellular and Infection Microbiology

In addition to journal articles, Pournaras has authored books, including:

  • Carbapenemase-Producing Organisms as Leading Cause of Hospital Infections, 2021, published by Frontiers Media

Their frequent collaborators include:

  • Joseph Meletiadis
  • Sophia Vourli
  • Maria Siopi
  • Athanassios Tsakris
  • Polyxeni Karakosta

Spyros Pournaras regularly publishes in the following venues:

  • Journal of Antimicrobial Chemotherapy
  • Open Forum Infectious Diseases
  • Journal of Fungi
  • Antimicrobial Agents and Chemotherapy
  • European Journal of Clinical Microbiology & Infectious Diseases

Best Publications

  • Global evolution of multidrug-resistant Acinetobacter baumannii clonal lineages.

    Raffaele Zarrilli;Spyros Pournaras;Maria Giannouli;Athanassios Tsakris

  • Effect of appropriate combination therapy on mortality of patients with bloodstream infections due to carbapenemase-producing Enterobacteriaceae (INCREMENT): a retrospective cohort study

    Belén Gutiérrez-Gutiérrez;Elena Salamanca;Marina de Cueto;Po-Ren Hsueh

  • Acquired carbapenemases in Gram-negative bacterial pathogens: detection and surveillance issues

    V. Miriagou;G. Cornaglia;M. Edelstein;I. Galani

  • Predictors of mortality in patients with bloodstream infections caused by KPC-producing Klebsiella pneumoniae and impact of appropriate antimicrobial treatment.

    O. Zarkotou;S. Pournaras;P. Tselioti;V. Dragoumanos

  • Outbreak of infections caused by Pseudomonas aeruginosa producing VIM-1 carbapenemase in Greece.

    Athanassios Tsakris;Spyros Pournaras;Neil Woodford;Marie-France I. Palepou

  • Defining Fractional Inhibitory Concentration Index Cutoffs for Additive Interactions Based on Self-Drug Additive Combinations, Monte Carlo Simulation Analysis, and In Vitro-In Vivo Correlation Data for Antifungal Drug Combinations against Aspergillus fumigatus

    Joseph Meletiadis;Spyros Pournaras;Emmanuel Roilides;Thomas J. Walsh

  • A simple phenotypic method for the differentiation of metallo-β-lactamases and class A KPC carbapenemases in Enterobacteriaceae clinical isolates

    Athanassios Tsakris;Aggeliki Poulou;Spyros Pournaras;Evangelia Voulgari

  • Evaluation of Boronic Acid Disk Tests for Differentiating KPC-Possessing Klebsiella pneumoniae Isolates in the Clinical Laboratory

    Athanassios Tsakris;Ioulia Kristo;Aggeliki Poulou;Katerina Themeli-Digalaki

  • Outbreak of multiple clones of imipenem-resistant Acinetobacter baumannii isolates expressing OXA-58 carbapenemase in an intensive care unit

    S. Pournaras;A. Markogiannakis;A. Ikonomidis;L. Kondyli

  • Prognostic value of follicular fluid 25-OH vitamin D and glucose levels in the IVF outcome

    Georgios M Anifandis;Konstantinos Dafopoulos;Christina I Messini;Nektarios Chalvatzas

  • Activity of tigecycline alone and in combination with colistin and meropenem against Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae strains by time–kill assay

    Spyros Pournaras;Georgia Vrioni;Evangelia Neou;John Dendrinos

  • Clonal spread of KPC-2 carbapenemase-producing Klebsiella pneumoniae strains in Greece

    Spyros Pournaras;Efthimia Protonotariou;Evangelia Voulgari;Ioulia Kristo

  • Hospital outbreak of multiple clones of Pseudomonas aeruginosa carrying the unrelated metallo-β-lactamase gene variants blaVIM-2 and blaVIM-4

    S Pournaras;M Maniati;E Petinaki;L S Tzouvelekis

  • Comparative Evaluation of Colistin Susceptibility Testing Methods among Carbapenem-Nonsusceptible Klebsiella pneumoniae and Acinetobacter baumannii Clinical Isolates

    Konstantina Dafopoulou;Konstantina Dafopoulou;Olympia Zarkotou;Evangelia Dimitroulia;Christos Hadjichristodoulou

  • Modified CLSI Extended-Spectrum β-Lactamase (ESBL) Confirmatory Test for Phenotypic Detection of ESBLs among Enterobacteriaceae Producing Various β-Lactamases

    Aggeliki Poulou;Evgenia Grivakou;Georgia Vrioni;Vassiliki Koumaki

  • VIM-1 Metallo-β-lactamase in Acinetobacter baumannii

    Athanassios Tsakris;Alexandros Ikonomidis;Spyros Pournaras;Leonidas S. Tzouvelekis

  • Novel Variant (blaVIM-4) of the Metallo-β-Lactamase Gene blaVIM-1 in a Clinical Strain of Pseudomonas aeruginosa

    Spyros Pournaras;Athanassios Tsakris;Maria Maniati;Leonidas S. Tzouvelekis

  • Cross-transmission of multidrug-resistant Acinetobacter baumannii clonal strains causing episodes of sepsis in a trauma intensive care unit.

    Antonios Markogiannakis;George Fildisis;Sofia Tsiplakou;Alexandros Ikonomidis

  • First occurrence of KPC-2-possessing Klebsiella pneumoniae in a Greek hospital and recommendation for detection with boronic acid disc tests

    Athanassios Tsakris;Ioulia Kristo;Aggeliki Poulou;Fani Markou

  • Risk Factors and Outcomes Associated with Acquisition of Colistin-Resistant KPC-Producing Klebsiella pneumoniae: a Matched Case-Control Study

    Olympia Zarkotou;Spyros Pournaras;Evangelia Voulgari;Georgios Chrysos

Frequent Co-Authors

Athanassios Tsakris
Athanassios Tsakris National and Kapodistrian University of Athens
Joseph Meletiadis
Joseph Meletiadis National and Kapodistrian University of Athens
Emmanuel Roilides
Emmanuel Roilides Aristotle University of Thessaloniki
Yehuda Carmeli
Yehuda Carmeli Tel Aviv University
Raffaele Zarrilli
Raffaele Zarrilli University of Naples Federico II
Johan W. Mouton
Johan W. Mouton Radboud University Medical Center
Álvaro Pascual
Álvaro Pascual University of Seville
Rafael Cantón
Rafael Cantón Instituto Ramón y Cajal de Investigación Sanitaria
Leonidas S. Tzouvelekis
Leonidas S. Tzouvelekis National and Kapodistrian University of Athens
Robert A. Bonomo
Robert A. Bonomo Case Western Reserve University

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