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. Dzavakwa, NV, Chisenga, M, McHugh, G, Filteau, S, Gregson, CL, Kasonka, L et al.. Update: Vitamin D3 and calcium carbonate supplementation for adolescents with HIV to reduce musculoskeletal morbidity and immunopathology (VITALITY trial): study protocol for a randomised placebo-controlled trial. Trials. 2024;25 (1):499. doi: 10.1186/s13063-024-08342-z. PubMed PMID:39039558 PubMed Central PMC11264400.
  2. Chhun, N, Rothschild, CW, Penumetsa, M, Matemo, D, Kithao, P, Richardson, BA et al.. Evaluating the performance of a risk assessment score tool to predict HIV acquisition among pregnant and postpartum women in Kenya. PLoS One. 2024;19 (7):e0306992. doi: 10.1371/journal.pone.0306992. PubMed PMID:38985777 PubMed Central PMC11236202.
  3. Mugambi, ML, Odhiambo, BO, Dollah, A, Marwa, MM, Nyakina, J, Kinuthia, J et al.. Women's preferences for HIV prevention service delivery in pharmacies during pregnancy in Western Kenya: a discrete choice experiment. J Int AIDS Soc. 2024;27 Suppl 1 (Suppl 1):e26301. doi: 10.1002/jia2.26301. PubMed PMID:38965978 PubMed Central PMC11224584.
  4. Chhun, N, Oketch, D, Agot, K, Mangale, DI, Badia, J, Kibugi, J et al.. Using FRAME to characterize provider-identified adaptations to a stepped care intervention for adolescents and youth living with HIV in Kenya: a mixed methods approach. J Int AIDS Soc. 2024;27 Suppl 1 (Suppl 1):e26261. doi: 10.1002/jia2.26261. PubMed PMID:38965971 PubMed Central PMC11224585.
  5. McClelland, RS, Lokken, EM, Kinuthia, J, Srinivasan, S, Richardson, BA, Jaoko, W et al.. A prospective cohort study examining the association between the periconceptual vaginal microbiota and first-trimester miscarriage in Kenyan women. Paediatr Perinat Epidemiol. 2024; :. doi: 10.1111/ppe.13099. PubMed PMID:38949435 .
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