Grace C. John-Stewart

Professor, Epidemiology
Professor, Global Health
Professor, Medicine - Allergy and Infectious Dis.
Professor, Pediatrics



MD Medicine, University of Michigan, 1987
MPH Epidemiology, University of Washington, 1995
PhD Epidemiology, University of Washington, 2000



Global Center for Integrated Health of Women, Adolescents and Children (Global WACh)
325 9th Avenue, Box 359909
Seattle, WA 98104

Research Interests

Dr. Grace John-Stewart is a Professor of Global Health, Medicine, Epidemiology, and Pediatrics at the University of Washington. Her interests include prevention of mother-to-child transmission of HIV (PMTCT), improving outcomes for children with HIV, and addressing relevant co-infections that affect women and children with HIV (including TB, pneumonia, diarrhea, CMV). Dr. John-Stewart has published over 275 peer-reviewed articles. Her research is based in Kenya and includes molecular epidemiologic studies, clinical trials, implementation science studies, and program evaluations focused on HIV and maternal child health. She received the Elizabeth Glaser Scientist Award for research on mother-to-child transmission of HIV. Dr. John-Stewart has mentored numerous trainees, received a K24 Mentorship Award, and received a UW School of Medicine mentorship award. She is the Director of the UW CFAR International Core and the UW Global Center for Integrated Health of Women, Adolescents and Children (Global WACh).

Recent Publications (PubMed)

Evaluating the performance of a risk assessment score tool to predict HIV acquisition among pregnant and postpartum women in Kenya.
PLoS One 19(7): e0306992
Chhun N, Rothschild CW, Penumetsa M, Matemo D, Kithao P, Richardson BA, John-Stewart G, Kinuthia J, Drake AL

Women's preferences for HIV prevention service delivery in pharmacies during pregnancy in Western Kenya: a discrete choice experiment.
(2024 Jul)
J Int AIDS Soc 27 Suppl 1(Suppl 1): e26301
Mugambi ML, Odhiambo BO, Dollah A, Marwa MM, Nyakina J, Kinuthia J, Baeten JM, Weiner BJ, John-Stewart G, Barnabas RV, Hauber B

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.
(2024 Jul)
J Int AIDS Soc 27 Suppl 1(Suppl 1): e26261
Chhun N, Oketch D, Agot K, Mangale DI, Badia J, Kibugi J, Jiang W, Kirk M, Richardson BA, Kohler PK, John-Stewart G, Beima-Sofie K

A prospective cohort study examining the association between the periconceptual vaginal microbiota and first-trimester miscarriage in Kenyan women.
(2024 Jul 1)
Paediatr Perinat Epidemiol
McClelland RS, Lokken EM, Kinuthia J, Srinivasan S, Richardson BA, Jaoko W, Lannon S, Pulei A, Fiedler TL, Munch MM, Proll S, John-Stewart G, Fredricks DN

Factors associated with exclusive breastfeeding by maternal HIV status: a population-based survey in Kenya.
(2024 Jun 26)
Int Breastfeed J 19(1): 44
Diakhate MM, Unger JA, Langat A, Singa B, Kinuthia J, Itindi J, Nyaboe E, John-Stewart GC, McGrath CJ

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