World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
63
Citations
14101
World Ranking
2731
National Ranking
108

Eelko Hak 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 Eelko Hak 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: 270 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Eelko Hak 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 Eelko Hak 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: 63 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Eelko Hak is affiliated with the University of Groningen in the Netherlands and has produced extensive research primarily in the field of Medicine. Their work spans several specialized subfields including Cardiology and Cardiovascular Medicine, Epidemiology, Surgery, Geriatrics and Gerontology, and Endocrinology, Diabetes and Metabolism.

The scientist's research interests include a range of topics, with a notable focus on Pharmaceutical Practices and Patient Outcomes, Blood Pressure and Hypertension Studies, and Medication Adherence and Compliance. Other areas covered in their publications are Pharmaceutical Economics and Policy, Renal Transplantation Outcomes and Treatments, Vaccine Coverage and Hesitancy, and Pharmacogenetics and Drug Metabolism.

Frequent coauthors collaborating with Eelko Hak include:

  • Jens Bos
  • Stephan J. L. Bakker
  • Frank Klont
  • Daan J. Touw
  • Daan Kremer

The scientist has contributed multiple papers to prominent publication venues, with the most frequent being Frontiers in Pharmacology and Clinical Epidemiology (five publications each). Other common venues include Nephrology Dialysis Transplantation, BMJ Open, and BMC Public Health.

Selected recent papers authored or co-authored by Eelko Hak are:

  • Interventions to improve medication adherence in tuberculosis patients: a systematic review of randomized controlled studies (2020), npj Primary Care Respiratory Medicine
  • Digital Health Technologies to Improve Medication Adherence and Treatment Outcomes in Patients With Tuberculosis: Systematic Review of Randomized Controlled Trials (2022), Journal of Medical Internet Research
  • Bile acid synthesis, modulation, and dementia: A metabolomic, transcriptomic, and pharmacoepidemiologic study (2021), PLoS Medicine
  • Barriers and strategies to successful tuberculosis treatment in a high-burden tuberculosis setting: a qualitative study from the patient's perspective (2021), BMC Public Health
  • Pneumococcal conjugate vaccines for preventing acute otitis media in children (2020), Cochrane Database of Systematic Reviews

Eelko Hak has also contributed to academic book publications, including a title published by Frontiers Media:

  • Behind a great medical drug there is always a great scientist! (2023)

Best Publications

  • Increased risk of common infections in patients with type 1 and type 2 diabetes mellitus.

    L M A J Muller;K J Gorter;Eelko Hak;W L Goudzwaard

  • Effectiveness of influenza vaccine in the community-dwelling elderly.

    Kristin L. Nichol;James D. Nordin;David B. Nelson;John P. Mullooly

  • Oral Decontamination with Chlorhexidine Reduces the Incidence of Ventilator-associated Pneumonia

    Mirelle Koeman;Andre J. A. M. van der Ven;Eelko Hak;Hans C. A. Joore

  • Beta-blockers may reduce mortality and risk of exacerbations in patients with chronic obstructive pulmonary disease.

    Frans H. Rutten;Nicolaas P. A. Zuithoff;Eelko Hak;Diederick E. Grobbee

  • Influence of high-risk medical conditions on the effectiveness of influenza vaccination among elderly members of 3 large managed-care organizations.

    Eelko Hak;James Nordin;Feifei Wei;John Mullooly

  • Evaluation of impermeable covers for bedding in patients with allergic rhinitis

    Ingrid Terreehorst;Eelko Hak;Albert J. Oosting;Zana Tempels-Pavlica

  • Negative attitude of highly educated parents and health care workers towards future vaccinations in the Dutch childhood vaccination program.

    Eelko Hak;Y Schönbeck;H De Melker;G A Van Essen

  • Impact of rapid detection of viral and atypical bacterial pathogens by real-time polymerase chain reaction for patients with lower respiratory tract infection.

    Jan Jelrik Oosterheert;Anton M van Loon;Rob Schuurman;Andy I M Hoepelman

  • Clinical effectiveness of influenza vaccination in persons younger than 65 years with high-risk medical conditions: the PRISMA study

    Eelko Hak;Erik Buskens;Gerrit A van Essen;Dinny H de Bakker

  • Risk factors of multidrug-resistant tuberculosis: A global systematic review and meta-analysis.

    Ivan Surya Pradipta;Lina Davies Forsman;Judith Bruchfeld;Eelko Hak

  • Rationale and design of CAPITA : a RCT of 13-valent conjugated pneumococcal vaccine efficacy among older adults

    Eelko Hak;D E Grobbee;E A M Sanders;T J M Verheij

  • Influenza- and respiratory syncytial virus-associated mortality and hospitalisations.

    A G S C Jansen;E A M Sanders;A W Hoes;A M van Loon

  • Effect of reduced-dose schedules with 7-valent pneumococcal conjugate vaccine on nasopharyngeal pneumococcal carriage in children: a randomized controlled trial.

    Elske J. M. van Gils;Reinier H. Veenhoven;Eelko Hak;Gerwin D. Rodenburg

  • Effects of pneumococcal conjugate vaccine 2 years after its introduction, the Netherlands.

    Gerwin D. Rodenburg;Sabine C. de Greeff;Angelique G. C. S. Jansen;Hester E. de Melker

  • Invasive pneumococcal disease among adults: associations among serotypes, disease characteristics, and outcome.

    Angelique G. S. C. Jansen;Gerwin D. Rodenburg;Arie van der Ende;Loek van Alphen

  • Association of atopic diseases and attention-deficit/hyperactivity disorder : A systematic review and meta-analyses

    Jurjen van der Schans;Rukiye Çiçek;Tjalling W de Vries;Eelko Hak

  • Clinical Effectiveness of First and Repeat Influenza Vaccination in Adult and Elderly Diabetic Patients

    Ingrid Looijmans-Van den Akker;Theo J.M. Verheij;Erik Buskens;Kristin L. Nichol

  • Usefulness of consecutive C-reactive protein measurements in follow-up of severe community-acquired pneumonia.

    A H W Bruns;J J Oosterheert;E Hak;A I M Hoepelman

  • Confounding by indication in non-experimental evaluation of vaccine effectiveness: the example of prevention of influenza complications

    E. Hak;Th J M Verheij;D. E. Grobbee;Kristin L Nichol

  • Statin treatment and reduced risk of pneumonia in patients with diabetes

    E M W van de Garde;Eelko Hak;P C Souverein;A W Hoes

  • Cost effectiveness of pneumococcal vaccination among Dutch infants: economic analysis of the seven valent pneumococcal conjugated vaccine and forecast for the 10 valent and 13 valent vaccines

    M.H. Rozenbaum;E.A.M. Sanders;A.J. van Hoek;A.G.S.C. Jansen

  • The role of Streptococcus pneumoniae in community-acquired pneumonia among adults in Europe: a meta-analysis

    M.H. Rozenbaum;P. Pechlivanoglou;van der Tjipke Werf;J.R. Lo-Ten-Foe

  • Clinical signs and symptoms predicting influenza infection.

    Eelko Hak;Karl G. M. Moons;Theo J. M. Verheij;Arno W. Hoes

Frequent Co-Authors

Maarten J. Postma
Maarten J. Postma University of Groningen
Arno W. Hoes
Arno W. Hoes Utrecht University
Elisabeth A. M. Sanders
Elisabeth A. M. Sanders Utrecht University
Kristin L. Nichol
Kristin L. Nichol University of Minnesota
Fanny Janssen
Fanny Janssen University of Groningen
Jan Wilschut
Jan Wilschut University Medical Center Groningen
Erik Buskens
Erik Buskens University Medical Center Groningen
Susan S. Jick
Susan S. Jick Boston University
Marc J. M. Bonten
Marc J. M. Bonten Utrecht University
Andy I. M. Hoepelman
Andy I. M. Hoepelman Utrecht University

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