World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
52
Citations
8202
World Ranking
4090
National Ranking
1864

Bharat Parekh publication distribution in Immunology in 2026

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

62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 68 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientists 807+ publications: 100 scientists
62 publications 807+

This scientist: 167 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

Bharat Parekh D-index placement in Immunology in 2026

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

40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 162 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40 D-Index 157+

This scientist: 52 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

Overview

Bharat Parekh is affiliated with the Centers for Disease Control and Prevention in the United States. Their research primarily focuses on topics related to HIV/AIDS, including the epidemiology, treatment, and prevention of this infectious disease. They have contributed to multiple studies examining HIV viral loads, population-based HIV impact assessments, and recent infection trends among various demographics in Sub-Saharan Africa.

The scientist's work is published extensively in journals that address HIV research and public health, including:

  • JAIDS Journal of Acquired Immune Deficiency Syndromes
  • PLoS ONE
  • PLOS Global Public Health
  • AIDS Research and Human Retroviruses
  • MMWR Morbidity and Mortality Weekly Report

Bharat Parekh's main fields of study include Medicine and Immunology and Microbiology, with specific subfields such as Infectious Diseases, Epidemiology, and Virology. Their research topics are concentrated on:

  • HIV/AIDS Research and Interventions
  • HIV, Drug Use, Sexual Risk
  • HIV Research and Treatment
  • Adolescent Sexual and Reproductive Health
  • HIV/AIDS drug development and treatment
  • Data-Driven Disease Surveillance
  • Sex work and related issues

Frequent coauthors collaborating with Bharat Parekh include:

  • Hetal Patel
  • Andrew C. Voetsch
  • Suzue Saito
  • Trudy Dobbs
  • Yen T. Duong

Notable recent publications by Bharat Parekh include:

  • Population-Based HIV Impact Assessments Survey Methods, Response, and Quality in Zimbabwe, Malawi, and Zambia (2021), published in JAIDS Journal of Acquired Immune Deficiency Syndromes
  • Prevalence of nonsuppressed viral load and associated factors among HIV-positive adults receiving antiretroviral therapy in Eswatini, Lesotho, Malawi, Zambia and Zimbabwe (2015 to 2017): results from population-based nationally representative surveys (2020), published in Journal of the International AIDS Society
  • Recent HIV infection among pregnant women in the 2017 antenatal sentinel cross-sectional survey, South Africa: Assay-based incidence measurement (2021), published in PLoS ONE
  • Trends in HIV prevalence, incidence, and progress towards the UNAIDS 95-95-95 targets in Malawi among individuals aged 15-64 years: population-based HIV impact assessments, 2015−16 and 2020−21 (2023), published in The Lancet HIV
  • HIV-1 Recent Infection Testing Algorithm With Antiretroviral Drug Detection to Improve Accuracy of Incidence Estimates (2021), published in JAIDS Journal of Acquired Immune Deficiency Syndromes

The scientist's research collectively contributes to understanding population-level HIV dynamics, improving diagnostic accuracy, and assessing progress toward global HIV targets.

Best Publications

  • Quantitative detection of increasing HIV type 1 antibodies after seroconversion: a simple assay for detecting recent HIV infection and estimating incidence.

    Bharat S. Parekh;M. Susan Kennedy;Trudy Dobbs;Chou-Pong Pau

  • Antigenic variation during persistent infection by equine infectious anemia virus, a retrovirus.

    R C Montelaro;B Parekh;A Orrego;C J Issel

  • Detection of recent HIV-1 infection using a new limiting-antigen avidity assay: potential for HIV-1 incidence estimates and avidity maturation studies.

    Yen T. Duong;Maofeng Qiu;Anindya K. De;Keisha Jackson

  • Frequent Simian Foamy Virus Infection in Persons Occupationally Exposed to Nonhuman Primates

    William M. Switzer;Vinod Bhullar;Vedapuri Shanmugam;Mian Er Cong

  • Maternal viral load and timing of mother-to-child HIV transmission Bangkok Thailand.

    Philip A. Mock;Nathan Shaffer;Chaiporn Bhadrakom;Wimol Siriwasin

  • Improved HIV-1 incidence estimates using the BED capture enzyme immunoassay.

    John W Hargrove;Jean H Humphrey;Kuda Mutasa;Bharat S Parekh

  • Comparison of HIV type 1 incidence observed during longitudinal follow-up with incidence estimated by cross-sectional analysis using the BED capture enzyme immunoassay.

    J. Steven McDougal;Bharat S. Parekh;Michael L. Peterson;Bernard M. Branson

  • Brief report: infection of a laboratory worker with simian immunodeficiency virus.

    Rima F. Khabbaz;Walid Heneine;J. Richard George;Bharat Parekh

  • Alternative Algorithms for Human Immunodeficiency Virus Infection Diagnosis Using Tests That Are Licensed in the United States

    S. M. Owen;C. Yang;T. Spira;C. Y. Ou

  • Performance Characteristics of the Immunoglobulin G-Capture BED-Enzyme Immunoassay, an Assay To Detect Recent Human Immunodeficiency Virus Type 1 Seroconversion

    Trudy Dobbs;Susan Kennedy;Chou-Pong Pau;J. Steven McDougal

  • Maternal Virus Load and Perinatal Human Immunodeficiency Virus Type 1 Subtype E Transmission, Thailand

    Nathan Shaffer;Anuvat Roongpisuthipong;Wimol Siriwasin;Tawee Chotpitayasunondh

  • Accuracy of serological assays for detection of recent infection with HIV and estimation of population incidence: a systematic review.

    Rebecca Guy;Rebecca Guy;Judy Gold;Jesus M García Calleja;Andrea A Kim

  • Highly specific V3 peptide enzyme immunoassay for serotyping HIV-1 specimens from Thailand.

    Pau Cp;Lee-Thomas S;Auwanit W;George

  • Impact of HIV type 1 subtype variation on viral RNA quantitation.

    Bharat Parekh;S. Phillips;T.C. Granade;J. Baggs

  • Development of Two Avidity-Based Assays to Detect Recent HIV Type 1 Seroconversion Using a Multisubtype gp41 Recombinant Protein

    Xierong Wei;Xin Liu;Trudy Dobbs;Debra Kuehl

  • Viral load differences in early infection with two HIV-1 subtypes.

    Dale J. Hu;Suphak Vanichseni;Timothy D. Mastro;Suwanee Raktham

  • Application of laboratory methods for estimation of HIV-1 incidence.

    Bharat S Parekh;J Steven McDougal

  • Determination of mean recency period for estimation of HIV type 1 Incidence with the BED-capture EIA in persons infected with diverse subtypes.

    Bharat S. Parekh;Debra L. Hanson;John Hargrove;Bernard Branson

  • Recalibration of the limiting antigen avidity EIA to determine mean duration of recent infection in divergent HIV-1 subtypes.

    Yen T. Duong;Reshma Kassanjee;Alex Welte;Meade Morgan

  • Site-specific antibodies define a cleavage site conserved among arenavirus GP-C glycoproteins.

    M. J. Buchmeier;P. J. Southern;B. S. Parekh;M. K. Wooddell

  • Diagnosis of Human Immunodeficiency Virus Infection

    Bharat S. Parekh;Chin-Yih Ou;Peter N. Fonjungo;Mireille B. Kalou

Frequent Co-Authors

John N. Nkengasong
John N. Nkengasong Centers for Disease Control and Prevention
Gerald Schochetman
Gerald Schochetman Centers for Disease Control and Prevention
Walid Heneine
Walid Heneine Centers for Disease Control and Prevention
Timothy D. Mastro
Timothy D. Mastro Family Health International 360
Michael J. Buchmeier
Michael J. Buchmeier University of California, Irvine
William M. Switzer
William M. Switzer Centers for Disease Control and Prevention
Thomas M. Folks
Thomas M. Folks Centers for Disease Control and Prevention
Harold M. McClure
Harold M. McClure Emory University
Renu B. Lal
Renu B. Lal Centers for Disease Control and Prevention
Elaine J. Abrams
Elaine J. Abrams Columbia University

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