World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
90
Citations
28086
World Ranking
12258
National Ranking
497

Atul Humar publication distribution in Medicine in 2026

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

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 355 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Atul Humar D-index placement in Medicine in 2026

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

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 90 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Atul Humar is affiliated with the University Health Network in Canada and has contributed extensively to the field of medicine, with a focus on infectious diseases, epidemiology, surgery, immunology, and obstetrics and gynecology.

Their research addresses a broad spectrum of topics, notably in SARS-CoV-2 and COVID-19, COVID-19 clinical research studies, cytomegalovirus and herpesvirus research, herpesvirus infections and treatments, transplantation methods and outcomes, COVID-19 impact on reproduction, and SARS-CoV-2 detection and testing.

Humar's recent publications include:

  • Randomized Trial of a Third Dose of mRNA-1273 Vaccine in Transplant Recipients, 2021, New England Journal of Medicine
  • COVID-19: A global transplant perspective on successfully navigating a pandemic, 2020, American Journal of Transplantation
  • Peginterferon lambda for the treatment of outpatients with COVID-19: a phase 2, placebo-controlled randomised trial, 2021, The Lancet Respiratory Medicine
  • Humoral and cellular immune response and safety of two-dose SARS-CoV-2 mRNA-1273 vaccine in solid organ transplant recipients, 2021, American Journal of Transplantation
  • Letermovir vs Valganciclovir for Prophylaxis of Cytomegalovirus in High-Risk Kidney Transplant Recipients, 2023, JAMA

Frequent collaborative partners in their research include Deepali Kumar, Victor H. Ferreira, Matthew Ierullo, Victoria Hall, and Terrance Ku.

The primary venues for their published work are:

  • American Journal of Transplantation
  • Transplantation
  • The Journal of Heart and Lung Transplantation
  • Transplant Infectious Disease
  • Clinical Infectious Diseases

Humar has contributed more than 200 publications in medicine, with particular emphasis on infectious diseases and epidemiology. Their work addresses clinical and translational challenges in transplantation and infectious disease control including SARS-CoV-2 and cytomegalovirus management.

Best Publications

  • The Third International Consensus Guidelines on the Management of Cytomegalovirus in Solid-organ Transplantation

    Camille N. Kotton;Deepali Kumar;Angela M. Caliendo;Shirish Huprikar

  • Efficacy and safety of valganciclovir vs. oral ganciclovir for prevention of cytomegalovirus disease in solid organ transplant recipients.

    Carlos Paya;Atul Humar;Ed Dominguez;Kenneth Washburn

  • American Society of Transplantation Recommendations for Screening, Monitoring and Reporting of Infectious Complications in Immunosuppression Trials in Recipients of Organ Transplantation

    A Humar;M Michaels

  • The efficacy and safety of 200 days valganciclovir cytomegalovirus prophylaxis in high-risk kidney transplant recipients

    Atul Humar;Yvon Lebranchu;Flavio Vincenti;Emily A.Emily Blumberg

  • Randomized Trial of a Third Dose of mRNA-1273 Vaccine in Transplant Recipients.

    Victoria G Hall;Victor H Ferreira;Terrance Ku;Matthew Ierullo

  • Oral Valganciclovir Is Noninferior to Intravenous Ganciclovir for the Treatment of Cytomegalovirus Disease in Solid Organ Transplant Recipients

    A Asberg;A Humar;H Rollag;A G Jardine

  • Interferon-Mediated Immunopathological Events Are Associated with Atypical Innate and Adaptive Immune Responses in Patients with Severe Acute Respiratory Syndrome

    Mark J. Cameron;Longsi Ran;Luoling Xu;Ali Danesh

  • Outcomes from pandemic influenza A H1N1 infection in recipients of solid-organ transplants: A multicentre cohort study

    Deepali Kumar;Marian G. Michaels;Michele I. Morris;Michael Green

  • Assessment of Cytomegalovirus-Specific Cell-Mediated Immunity for the Prediction of Cytomegalovirus Disease in High-Risk Solid-Organ Transplant Recipients: A Multicenter Cohort Study

    Oriol Manuel;Shahid Husain;Deepali Kumar;Carlos Zayas

  • Clinical impact of community-acquired respiratory viruses on bronchiolitis obliterans after lung transplant

    Deepali Kumar;Dean Erdman;Shaf Keshavjee;Teresa Peret

  • Cryptococcus neoformans in Organ Transplant Recipients: Impact of Calcineurin-Inhibitor Agents on Mortality

    Nina Singh;Nina Singh;Barbara D. Alexander;Olivier Lortholary;Olivier Lortholary;Françoise Dromer

  • Parasight F test compared with the polymerase chain reaction and microscopy for the diagnosis of Plasmodium falciparum malaria in travelers.

    Atul Humar;Colin Ohrt;Mary Anne Harrington;Dylan Pillai

  • An immune reconstitution syndrome-like illness associated with Cryptococcus neoformans infection in organ transplant recipients

    Nina Singh;Nina Singh;Olivier Lortholary;Barbara D. Alexander;Krishan L. Gupta

  • Clinical utility of quantitative cytomegalovirus viral load determination for predicting cytomegalovirus disease in liver transplant recipients.

    Atul Humar;Daniel Gregson;Angela M. Caliendo;Allison McGeer

  • Extended valganciclovir prophylaxis in D+/R- kidney transplant recipients is associated with long-term reduction in cytomegalovirus disease: two-year results of the IMPACT study.

    Atul Humar;Ajit P.Ajit Limaye;Emily A.Emily Blumberg;Ingeborg Anni Hauser

  • Changes in the spectrum and risk factors for invasive candidiasis in liver transplant recipients: prospective, multicenter, case-controlled study.

    Shahid Husain;Jan Tollemar;Edward A. Dominguez;Katherine Baumgarten

  • COVID-19: A global transplant perspective on successfully navigating a pandemic.

    Deepali Kumar;Oriol Manuel;Yoichiro Natori;Hiroto Egawa

  • West Nile virus infection in 2002: morbidity and mortality among patients admitted to hospital in southcentral Ontario

    Caitlin Pepperell;Neil Rau;Sigmund Krajden;Ralph Kern

  • Absence of Cytomegalovirus-Resistance Mutations after Valganciclovir Prophylaxis, in a Prospective Multicenter Study of Solid-Organ Transplant Recipients

    Guy Boivin;Nathalie Goyette;Christian Gilbert;Noel Roberts

  • Pharmacodynamics of oral ganciclovir and valganciclovir in solid organ transplant recipients.

    Hugh Wiltshire;Carlos V. Paya;Mark D. Pescovitz;Atul Humar

Frequent Co-Authors

Shahid Husain
Shahid Husain University Health Network
Shaf Keshavjee
Shaf Keshavjee University Health Network
Tony Mazzulli
Tony Mazzulli University Health Network
Gary A. Levy
Gary A. Levy University of Toronto
Nina Singh
Nina Singh University of Pittsburgh
Ajit P. Limaye
Ajit P. Limaye University of Washington
Alan G. Jardine
Alan G. Jardine University of Glasgow
Thomas K. Waddell
Thomas K. Waddell University Health Network
Trevor J. Pugh
Trevor J. Pugh Princess Margaret Cancer Centre
Anders Hartmann
Anders Hartmann Oslo University Hospital

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