Grace John-Stewart, MD, MPH, PhD

Professor of Global Health, Epidemiology, Pediatrics, and Medicine, University of Washington

Dr. Grace John Stewart, MD, MPH, PhD, has conducted research over the past >25 years, with her research growing from an initial focus on HIV transmission and pathogenesis in women and children, as part of a collaborative research team in Kenya. The first studies she conducted were designed to define risk and timing of mother-to-child HIV transmission, particularly to understand breastmilk transmission of HIV. Her group has contributed comprehensively across a spectrum of research that has included clinical trials, molecular epidemiology, implementation science, and large-scale evaluations. In addition, through mentorship she has sought to catalyze new research with young investigators to advance studies of growth, co-infections (herpes viruses, TB), HIV prevention and treatment support in mothers, adolescents, and children. Overall, her research has been disseminated in >400 peer-reviewed publications. The work she does with women and children also led naturally to studies on pathogenesis and interventions to improve outcomes in HIV-exposed uninfected (HEU) and infected children and adolescents. She has been a Co-Investigator on studies focused on infectious diseases in women and children and was the Founding Director of the Center for Global Health of Women, Adolescents and Children (Global WACh) for which she currently serves as Co-Director. She is a long-standing member of the UW Kenya Research and Training Center (KRTC) and the team’s research is predominantly based in Kenya. She is committed to mentoring next generation scientific leaders.

Publications

  1. Atlas, HE, Mogeni, P, Shawon, RA, Tickell, KD, Bunyige, L, Monchari, I et al.. Effect of azithromycin on post-discharge growth in Kenyan children. BMJ Glob Health. 2025;10 (11):. doi: 10.1136/bmjgh-2025-020294. PubMed PMID:41285436 PubMed Central PMC12645614.
  2. Okhagbuzo, MI, Njuguna, I, King'e, M, Moraa, H, Muranda, M, Tala, B et al.. Lower working memory and processing speed among children and youth exposed to HIV. AIDS. 2025; :. doi: 10.1097/QAD.0000000000004402. PubMed PMID:41217403 .
  3. Nthambi, L, Temmerman, M, Macharia, WM, Nyagol, J, Mogere, S, Neary, J et al.. Factors associated with cervical cancer screening among women attending maternal child health clinics in Kenya. BMC Womens Health. 2025;25 (1):549. doi: 10.1186/s12905-025-04048-9. PubMed PMID:41214674 PubMed Central PMC12604322.
  4. Muranda, M, King'e, M, Moraa, H, Onyango, A, Oricho, R, Neary, J et al.. Comparison of height-for-age and weight-for-age Z-scores between HIV-exposed and -unexposed children aged 3-10 years old. J Trop Pediatr. 2025;71 (6):. doi: 10.1093/tropej/fmaf043. PubMed PMID:41206211 PubMed Central PMC12596142.
  5. Frivold, C, Katz, J, Lama, TP, Tielsch, JM, Khatry, SK, LeClerq, SC et al.. Impact of Influenza Vaccination during Pregnancy on Maternal Influenza Disease Severity in Rural Nepal. Am J Trop Med Hyg. 2025; :. doi: 10.4269/ajtmh.25-0065. PubMed PMID:41197135 .
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