World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
70
Citations
21627
World Ranking
1909
National Ranking
809

Grace John-Stewart 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 Grace John-Stewart 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: 497 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Grace John-Stewart 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 Grace John-Stewart 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: 70 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Overview

Grace John-Stewart is affiliated with the University of Washington in the United States and has contributed extensively to the fields of medicine and health professions, with a particular focus on infectious diseases, epidemiology, and pediatrics. Their research portfolio encompasses over 410 publications in medicine, including significant contributions to infectious diseases with 192 publications, general health professions with 127, epidemiology with 76, and pediatrics, perinatology, and child health with 60.

The scientist's primary topics of work include HIV/AIDS research and interventions, adolescent sexual and reproductive health, and global maternal and child health. Other notable areas of interest are HIV research and treatment, HIV in the context of drug use and sexual risk, tuberculosis research and epidemiology, and child nutrition and water access.

Grace John-Stewart has published numerous articles in leading journals. Frequent publication venues include:

  • JAIDS Journal of Acquired Immune Deficiency Syndromes (20 publications)
  • AIDS (17 publications)
  • Journal of the International AIDS Society (12 publications)
  • PLoS ONE (12 publications)
  • The Journal of Infectious Diseases (10 publications)

Notable recent papers authored or co-authored by the researcher include:

  • Emerging evidence from a systematic review of safety of pre-exposure prophylaxis for pregnant and postpartum women: where are we now and where are we heading?, 2020, Journal of the International AIDS Society
  • CRISPR detection of circulating cell-free Mycobacterium tuberculosis DNA in adults and children, including children with HIV: a molecular diagnostics study, 2022, The Lancet Microbe
  • Defining gaps in pre-exposure prophylaxis delivery for pregnant and post-partum women in high-burden settings using an implementation science framework, 2020, The Lancet HIV
  • High Awareness, Yet Low Uptake, of Pre-Exposure Prophylaxis Among Adolescent Girls and Young Women Within Family Planning Clinics in Kenya, 2020, AIDS Patient Care and STDs
  • Diagnosis of paediatric tuberculosis by optically detecting two virulence factors on extracellular vesicles in blood samples, 2022, Nature Biomedical Engineering

Their research collaborations include frequent co-authors such as John Kinuthia, Dalton Wamalwa, Barbra A. Richardson, Irene Njuguna, and Jillian Pintye. This consistent collaboration reflects engagement across multidisciplinary teams and diverse research settings.

Best Publications

  • Antiretroviral prophylaxis for HIV prevention in heterosexual men and women.

    Jared M. Baeten;Deborah Donnell;Deborah Donnell;Patrick Ndase;Nelly R. Mugo;Nelly R. Mugo

  • Antenatal couple counseling increases uptake of interventions to prevent HIV-1 transmission.

    Carey Farquhar;James N. Kiarie;Barbra A. Richardson;Marjory N. Kabura

  • Incident HIV during pregnancy and postpartum and risk of mother-to-child HIV transmission: a systematic review and meta-analysis.

    Alison L. Drake;Anjuli Wagner;Barbra Richardson;Grace John-Stewart

  • Neutralization Escape Variants of Human Immunodeficiency Virus Type 1 Are Transmitted from Mother to Infant

    Xueling Wu;Adam B. Parast;Barbra A. Richardson;Ruth Nduati

  • Male Antenatal Attendance and HIV Testing Are Associated with Decreased Infant HIV Infection and Increased HIV Free Survival

    Adam Aluisio;Barbra A. Richardson;Rose Bosire;Grace John-Stewart

  • Longitudinal Analysis of Human Immunodeficiency Virus Type 1 RNA in Breast Milk and of Its Relationship to Infant Infection and Maternal Disease

    Christine M Rousseau;Ruth W Nduati;Barbra A Richardson;Matthew S Steele

  • Evaluation of the association between the concentrations of key vaginal bacteria and the increased risk of HIV acquisition in African women from five cohorts: a nested case-control study.

    R Scott McClelland;Jairam R Lingappa;Sujatha Srinivasan;John Kinuthia

  • Increased Risk of HIV Acquisition Among Women Throughout Pregnancy and During the Postpartum Period: A Prospective Per-Coital-Act Analysis Among Women With HIV-Infected Partners.

    Kerry A Thomson;James Hughes;Jared M Baeten;Grace John-Stewart

  • Association of Levels of HIV-1—Infected Breast Milk Cells and Risk of Mother-to-Child Transmission

    Christine M. Rousseau;Ruth W. Nduati;Barbra A. Richardson;Grace C. John-Stewart

  • Breast-feeding and Transmission of HIV-1.

    Grace John-Stewart;Dorothy Mbori-Ngacha;Rene Ekpini;Edward N. Janoff

  • Human NK cell repertoire diversity reflects immune experience and correlates with viral susceptibility

    Dara M. Strauss-Albee;Julia Fukuyama;Emily C. Liang;Yi Yao

  • Breast-Milk Infectivity in Human Immunodeficiency Virus Type 1–Infected Mothers

    Barbra A Richardson;Grace C John-Stewart;James P Hughes;Ruth Nduati

  • Predictors of early mortality in a cohort of human immunodeficiency virus type 1-infected African children.

    Elizabeth M. Obimbo;Dorothy A. Mbori-Ngacha;James O. Ochieng;Barbra A. Richardson

  • Male perspectives on incorporating men into antenatal HIV counseling and testing.

    David A. Katz;James N. Kiarie;Grace C. John-Stewart;Barbra A. Richardson;Barbra A. Richardson

  • Pre-exposure Prophylaxis Uptake and Early Continuation Among Pregnant and Post-Partum Women Within Maternal and Child Health Clinics in Kenya: Results From an Implementation Programme

    John Kinuthia;John Kinuthia;Jillian Pintye;Felix Abuna;Kenneth K Mugwanya

  • Integrating preexposure prophylaxis delivery in routine family planning clinics: A feasibility programmatic evaluation in Kenya.

    Kenneth K. Mugwanya;Jillian Pintye;John Kinuthia;John Kinuthia;Felix Abuna

  • Early response to highly active antiretroviral therapy in HIV-1-infected Kenyan children.

    Dalton C Wamalwa;Carey Farquhar;Elizabeth M Obimbo;Sara Selig

  • Pregnancy incidence and outcomes among women receiving preexposure prophylaxis for HIV prevention: a randomized clinical trial.

    Nelly R. Mugo;Nelly R. Mugo;Nelly R. Mugo;Ting Hong;Connie Celum;Deborah Donnell;Deborah Donnell

  • Compliance with antiretroviral regimens to prevent perinatal HIV-1 transmission in Kenya.

    James N Kiarie;Joan K Kreiss;Barbra A Richardson;Grace C John-Stewart

  • An empiric risk scoring tool for identifying high-risk heterosexual HIV-1 serodiscordant couples for targeted HIV-1 prevention

    Erin M. Kahle;James P. Hughes;Jairam R. Lingappa;Grace John-Stewart

  • Salivary Secretory Leukocyte Protease Inhibitor Is Associated with Reduced Transmission of Human Immunodeficiency Virus Type 1 through Breast Milk

    Carey Farquhar;Thomas C. VanCott;Dorothy A. Mbori-Ngacha;Lena Horani

  • A randomized controlled trial comparing the effects of counseling and alarm device on HAART adherence and virologic outcomes.

    Michael H. Chung;Barbra A. Richardson;Barbra A. Richardson;Kenneth Tapia;Sarah Benki-Nugent

Frequent Co-Authors

Barbra A. Richardson
Barbra A. Richardson University of Washington
Carey Farquhar
Carey Farquhar University of Washington
Dorothy Mbori-Ngacha
Dorothy Mbori-Ngacha United Nations Children's Fund
Julie Overbaugh
Julie Overbaugh Fred Hutchinson Cancer Research Center
Jared M. Baeten
Jared M. Baeten University of Washington
Elizabeth A. Bukusi
Elizabeth A. Bukusi University of Washington
Connie Celum
Connie Celum University of Washington
Sarah Rowland-Jones
Sarah Rowland-Jones University of Sheffield
R. Scott McClelland
R. Scott McClelland University of Washington
Deborah Donnell
Deborah Donnell Fred Hutchinson Cancer Research Center

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Related Online Degrees & Career Pathways

For students exploring microbiology, related fields often offer diverse opportunities for online learning and career advancement. Many aspiring healthcare professionals consider pursuing an accredited fast medical billing and coding certificate online to quickly enter the medical administrative sector without extensive time commitment.

Additionally, those interested in broader health sciences may explore various medical programs online, which provide flexibility and access to accredited degrees in fields closely related to microbiology and healthcare.

Public health is another natural extension for microbiology graduates. Many students find that some of the easiest MPH online programs to get into make it attainable to gain advanced public health knowledge, opening doors to roles in epidemiology, health policy, and disease prevention.

Finally, individuals passionate about working with children can consider becoming a child life specialist. This career emphasizes supporting young patients and families through medical experiences, often combining knowledge of biology with compassionate care.

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