World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
108
Citations
47377
World Ranking
5962
National Ranking
3188

Ronald H. Gray 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 Ronald H. Gray 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: 595 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Ronald H. Gray 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 Ronald H. Gray 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: 108 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

Ronald H. Gray is affiliated with Johns Hopkins University in the United States. Their research primarily focuses on the field of Medicine, with specific attention to Infectious Diseases, Epidemiology, Virology, Surgery, and Public Health, Environmental and Occupational Health.

The main topics addressed in their work include:

  • HIV/AIDS Research and Interventions
  • HIV, Drug Use, Sexual Risk
  • HIV Research and Treatment
  • Genital Health and Disease
  • HIV/AIDS Impact and Responses
  • Adolescent Sexual and Reproductive Health
  • Sex work and related issues

Recent publications by Ronald H. Gray illustrate a focus on HIV transmission dynamics, prevention, and related health factors. Selected papers include:

  • "Quantifying HIV transmission flow between high-prevalence hotspots and surrounding communities: a population-based study in Rakai, Uganda" (2020), published in The Lancet HIV
  • "Migration, hotspots, and dispersal of HIV infection in Rakai, Uganda" (2020), published in Nature Communications
  • "Impact of male circumcision on risk of HIV infection in men in a changing epidemic context - systematic review and meta-analysis" (2020), published in Journal of the International AIDS Society
  • "Penile bacteria associated with HIV seroconversion, inflammation, and immune cells" (2021), published in JCI Insight
  • "Household wealth and HIV incidence over time, rural Uganda, 1994-2018" (2021), published in AIDS

Ronald H. Gray frequently collaborates with several researchers who have co-authored numerous publications. Notable frequent co-authors are:

  • Maria J. Wawer
  • Joseph Kagaayi
  • Godfrey Kigozi
  • Steven J. Reynolds
  • Larry W. Chang

The scientist publishes regularly in various academic venues. The most common publication outlets include:

  • UNC Libraries
  • bioRxiv (Cold Spring Harbor Laboratory)
  • JAIDS Journal of Acquired Immune Deficiency Syndromes
  • The Lancet HIV
  • The Lancet Global Health

Best Publications

  • Viral Load and Heterosexual Transmission of Human Immunodeficiency Virus Type 1

    Thomas C. Quinn;Maria J. Wawer;Nelson Sewankambo;David Serwadda

  • Male circumcision for HIV prevention in men in Rakai, Uganda: a randomised trial

    Ronald H Gray;Godfrey Kigozi;David Serwadda;Frederick Makumbi

  • Rates of HIV-1 Transmission per Coital Act, by Stage of HIV-1 Infection, in Rakai, Uganda

    Maria J. Wawer;Ronald H. Gray;Nelson K. Sewankambo;David Serwadda

  • Probability of HIV-1 transmission per coital act in monogamous, heterosexual, HIV-1-discordant couples in Rakai, Uganda

    Ronald H Gray;Maria J Wawer;Ron Brookmeyer;Nelson K Sewankambo

  • Mortality in relation to consumption of alcohol: 13 years' observations on male British doctors

    Richard Doll;R. Peto;E. Hall;K. Wheatley

  • Control of sexually transmitted diseases for AIDS prevention in Uganda: a randomised community trial

    Maria J Wawer;Nelson K Sewankambo;David Serwadda;Thomas C Quinn

  • HIV-1 INFECTION ASSOCIATED WITH ABNORMAL VAGINAL FLORA MORPHOLOGY AND BACTERIAL VAGINOSIS

    Nelson Sewankambo;Ronald H Gray;Maria J Wawer;Lynn Paxton

  • Consensus criteria for the classification of carpal tunnel syndrome in epidemiologic studies

    D Rempel;B Evanoff;P C Amadio;M de Krom

  • Male Circumcision for the Prevention of HSV-2 and HPV Infections and Syphilis

    Aaron A.R. Tobian;David Serwadda;David Serwadda;Thomas C. Quinn;Godfrey Kigozi

  • Domestic violence in rural Uganda: evidence from a community-based study

    Michael A. Koenig;Tom Lutalo;Feng Zhao;Fred Nalugoda

  • Increased risk of incident HIV during pregnancy in Rakai, Uganda: a prospective study

    Ronald H Gray;Xianbin Li;Godfrey Kigozi;David Serwadda

  • Population-based study of fertility in women with HIV-1 infection in Uganda.

    Ronald H Gray;Maria J Wawer;David Serwadda;Nelson Sewankambo

  • Circumcision in HIV-infected men and its effect on HIV transmission to female partners in Rakai, Uganda: a randomised controlled trial

    Maria J Wawer;Frederick Makumbi;Godfrey Kigozi;David Serwadda

  • Control of sexually transmitted diseases for HIV-1 prevention: understanding the implications of the Mwanza and Rakai trials.

    Heiner Grosskurth;Ronald Gray;Richard Hayes;David Mabey

  • Effect of Human Immunodeficiency Virus Type 1 (HIV-1) Subtype on Disease Progression in Persons from Rakai, Uganda, with Incident HIV-1 Infection

    Noah Kiwanuka;Oliver Laeyendecker;Oliver Laeyendecker;Merlin Robb;Godfrey Kigozi

  • Age differences in sexual partners and risk of HIV-1 infection in rural Uganda.

    Robert J. Kelly;Ronald H. Gray;Nelson K. Sewankambo;David Serwadda

  • Male circumcision and HIV acquisition and transmission: Cohort studies in Rakai, Uganda

    Ronald H. Gray;Noah Kiwanuka;Thomas C. Quinn;Nelson K. Sewankambo

  • HIV incidence and sexually transmitted disease prevalence associated with condom use: a population study in Rakai, Uganda.

    Saifuddin Ahmed;Tom Lutalo;Maria Wawer;David Serwadda

  • The effects of male circumcision on female partners’ genital tract symptoms and vaginal infections in a randomized trial in Rakai, Uganda

    Ronald H. Gray;Godfrey Kigozi;David Serwadda;Frederick Makumbi

  • Effectiveness of an integrated intimate partner violence and HIV prevention intervention in Rakai, Uganda: analysis of an intervention in an existing cluster randomised cohort

    Jennifer A Wagman;Ronald H Gray;Jacquelyn C Campbell;Marie Thoma

Frequent Co-Authors

Maria J. Wawer
Maria J. Wawer Johns Hopkins University
David Serwadda
David Serwadda Makerere University
Thomas C. Quinn
Thomas C. Quinn Johns Hopkins University
Steven J. Reynolds
Steven J. Reynolds Johns Hopkins University
Nelson K. Sewankambo
Nelson K. Sewankambo Rakai Health Sciences Program
Oliver Laeyendecker
Oliver Laeyendecker Johns Hopkins University
Aaron A.R. Tobian
Aaron A.R. Tobian Johns Hopkins University School of Medicine
Patti E. Gravitt
Patti E. Gravitt National Institutes of Health
Merlin L. Robb
Merlin L. Robb Walter Reed Army Institute of Research
Lawrence H. Moulton
Lawrence H. Moulton Johns Hopkins University

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