World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
61
Citations
14997
World Ranking
2975
National Ranking
1182

Igor J. Koralnik 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 Igor J. Koralnik 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: 185 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Igor J. Koralnik 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 Igor J. Koralnik 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

Igor J. Koralnik is affiliated with Northwestern University in the United States and has contributed extensively to the field of medicine, with a focus on neurology and infectious diseases. Their research covers several subfields including critical care and intensive care medicine, oncology, and epidemiology, reflecting a broad approach to clinical and biomedical challenges.

The scientist's work prominently addresses the long-term neurological effects of COVID-19, with notable emphasis on cognitive dysfunction and neuroinflammation. Key topics in their research include Long-Term Effects of COVID-19, Intensive Care Unit Cognitive Disorders, COVID-19 Clinical Research Studies, Polyomavirus and related diseases, COVID-19 and Mental Health, SARS-CoV-2 and COVID-19 Research, and Neuroinflammation and Neurodegeneration Mechanisms.

Koralnik has published research in several reputable scientific journals. Frequent publication venues include:

  • Annals of Neurology
  • Frontiers in Neurology
  • Annals of Clinical and Translational Neurology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • GeroScience

Their recent papers illustrate key contributions to neurological aspects of COVID-19 and related topics:

  • Persistent neurologic symptoms and cognitive dysfunction in non-hospitalized Covid-19 "long haulers", 2021, Annals of Clinical and Translational Neurology
  • Frequent neurologic manifestations and encephalopathy-associated morbidity in Covid-19 patients, 2020, Annals of Clinical and Translational Neurology
  • COVID-19: A Global Threat to the Nervous System, 2020, Annals of Neurology
  • Improved control of SARS-CoV-2 by treatment with a nucleocapsid-specific monoclonal antibody, 2022, Journal of Clinical Investigation
  • Imaging Review of Peripheral Nerve Injuries in Patients with COVID-19, 2020, Radiology

The scientist frequently collaborates with several coauthors, contributing to a broad network of research partnerships. Notable frequent co-authors include:

  • Zachary S. Orban
  • Eric M. Liotta
  • Millenia Jimenez
  • Lavanya Visvabharathy
  • Ayush Batra

The scope of Koralnik's research emphasizes neurological and infectious disease intersections, particularly focused on understanding long-term neurological outcomes following COVID-19 infection and related neuroinflammatory processes. Their work contributes data relevant to intensive care cognitive disorders and explores polyomavirus-related conditions alongside SARS-CoV-2 impacts.

Best Publications

  • Fulminant Myocarditis with Combination Immune Checkpoint Blockade

    Douglas B. Johnson;Justin M. Balko;Margaret L. Compton;Spyridon Chalkias

  • Progressive multifocal leukoencephalopathy and other disorders caused by JC virus: clinical features and pathogenesis

    Chen S Tan;Igor J Koralnik

  • PML diagnostic criteria: Consensus statement from the AAN neuroinfectious disease section

    Joseph R. Berger;Allen J. Aksamit;David B. Clifford;Larry Davis

  • COVID-19: A Global Threat to the Nervous System.

    Igor J. Koralnik;Kenneth L. Tyler

  • JC virus DNA load in patients with and without progressive multifocal leukoencephalopathy

    I. J. Koralnik;D. Boden;V. X. Mai;C. I. Lord

  • Progressive multifocal leukoencephalopathy revisited: Has the disease outgrown its name?

    Igor J. Koralnik

  • The neurobiological basis of narcolepsy.

    Carrie E. Mahoney;Andrew Cogswell;Igor J. Koralnik;Thomas E. Scammell

  • Protein isoforms encoded by the pX region of human T-cell leukemia/lymphotropic virus type I.

    I J Koralnik;A Gessain;M E Klotman;A Lo Monico

  • Progressive multifocal leukoencephalopathy in HIV-1 infection

    Paola Cinque;Igor J Koralnik;Simonetta Gerevini;Jose M Miro

  • JC virus granule cell neuronopathy: A novel clinical syndrome distinct from progressive multifocal leukoencephalopathy

    Igor J. Koralnik;Christian Wüthrich;Xin Dang;Matthew Rottnek

  • Phylogenetic associations of human and simian T-cell leukemia/lymphotropic virus type I strains: evidence for interspecies transmission.

    I J Koralnik;E Boeri;W C Saxinger;A L Monico

  • A prospective study demonstrates an association between JC virus-specific cytotoxic T lymphocytes and the early control of progressive multifocal leukoencephalopathy.

    Renaud A. Du Pasquier;Marcelo J. Kuroda;Yue Zheng;Jims Jean-Jacques

  • Progressive multifocal leukoencephalopathy in individuals with minimal or occult immunosuppression

    Sarah Gheuens;Gerald Pierone;Patrick Peeters;Igor J Koralnik

  • Asymptomatic Reactivation of JC Virus in Patients Treated with Natalizumab

    Yiping Chen;Evelyn Bord;Troy Tompkins;Janice Miller

  • New insights into progressive multifocal leukoencephalopathy.

    Igor J Koralnik

  • A Controlled Study of Early Neurologic Abnormalities in Men with Asymptomatic Human Immunodeficiency Virus Infection

    Igor J. Koralnik;Anne Beaumanoir;Rudolf Häusler;André Kohler

  • The p12I, p13II, and p30II proteins encoded by human T-cell leukemia/lymphotropic virus type I open reading frames I and II are localized in three different cellular compartments.

    I J Koralnik;J Fullen;G Franchini

  • Determinants of survival in progressive multifocal leukoencephalopathy

    A. Marzocchetti;T. Tompkins;D. B. Clifford;R. T. Gandhi

  • The human T-cell leukemia/lymphotropic virus type I p12I protein cooperates with the E5 oncoprotein of bovine papillomavirus in cell transformation and binds the 16-kilodalton subunit of the vacuolar H+ ATPase.

    G Franchini;J C Mulloy;I J Koralnik;A Lo Monico

  • Role of CD4+ and CD8+ T-Cell Responses against JC Virus in the Outcome of Patients with Progressive Multifocal Leukoencephalopathy (PML) and PML with Immune Reconstitution Inflammatory Syndrome

    Sarah Gheuens;Evelyn Bord;Santosh Kesari;David M. Simpson

  • Detection of JC Virus DNA and Proteins in the Bone Marrow of HIV-Positive and HIV-Negative Patients: Implications for Viral Latency and Neurotropic Transformation

    Chen S. Tan;Bruce J. Dezube;Parul Bhargava;Patrick Autissier

  • Interplay of Cellular and Humoral Immune Responses against BK Virus in Kidney Transplant Recipients with Polyomavirus Nephropathy

    Yiping Chen;Jennifer Trofe;Jennifer Gordon;Renaud A. Du Pasquier

Frequent Co-Authors

Norman L. Letvin
Norman L. Letvin Beth Israel Deaconess Medical Center
David B. Clifford
David B. Clifford Washington University in St. Louis
Long Ngo
Long Ngo Beth Israel Deaconess Medical Center
Raphael P. Viscidi
Raphael P. Viscidi Johns Hopkins University
William H. Theodore
William H. Theodore National Institutes of Health
Genoveffa Franchini
Genoveffa Franchini National Institutes of Health
Susan Morgello
Susan Morgello Icahn School of Medicine at Mount Sinai
Rajesh T. Gandhi
Rajesh T. Gandhi Harvard University
Santosh Kesari
Santosh Kesari University of California, San Diego
Joseph R. Berger
Joseph R. Berger University of Pennsylvania

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying microbiology in the USA opens doors to various healthcare and science-related careers. For those interested in patient care integrated with alternative medicine, becoming a functional medicine nurse practitioner offers a rewarding pathway that combines microbiological knowledge with holistic treatment approaches.

Another essential area connected to microbiology and healthcare is medical coding. Obtaining cpc certification can enhance career prospects in billing and documentation, a critical component in managing healthcare information accurately.

For those inclined toward administration, pursuing a degree in health information management offers a lucrative career. Understanding the health information management degree salary and career paths can help microbiology graduates transition into roles overseeing medical records and data systems.

It is important to select reputable programs when considering this path. Accredited programs, such as those found in the accredited online health information management degree cahiim list, ensure quality education and better employment outcomes.

Best Scientists Citing Igor J. Koralnik

Trending Scientists

Recently Published Articles