World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

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

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

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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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