Faculty

Grace C. John-Stewart

Professor, Epidemiology
Professor, Global Health
Professor, Medicine - Allergy and Infectious Dis.
Professor, Pediatrics
Director, Global Center for the Integrated Health of Women, Adolescents, & Children, Global Health

206-543-4278

Education

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

Contact

206-543-4278

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

Research Areas

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)

Outcomes of the Three-month Weekly Isoniazid With Rifapentine (3HP) Versus the Six-month Isoniazid Preventive Therapy (6H) Among People Newly Enrolled in HIV Care in Western Kenya.
(2026 Jul)
Open Forum Infect Dis 13(7): ofag416
Onyango DO, Mecha JO, Njagi LN, Aoro S, Malika T, Kinuthia J, John-Stewart G, LaCourse SM
Heterogeneity in preferences for HIV prevention service delivery among women of reproductive age in western Kenya: a latent class analysis.
(2026)
Front Glob Womens Health 7(): 1810230
Mugambi ML, Odhiambo BO, Dollah A, Marwa MM, Nyakina J, Kinuthia J, John-Stewart G, Barnabas RV, Hauber B
Long-Acting HIV Pre-exposure Prophylaxis Preferences Through Pregnancy and the Postpartum Period Among Women in Kenya: A Latent Transition Analysis.
(2026 Jun 29)
AIDS Behav
Concepcion T, Watoyi S, Flaherty BP, Abuna F, Akim E, Gómez L, John-Stewart G, Nzove EM, Ngumbau N, Mogaka JN, Odhiambo BO, Wagner AD, Kinuthia J, Pintye J
Prevalence, severity and correlates of dysmenorrhea among postpartum women in Western Kenya: A cross-sectional study.
(2026)
PLOS Glob Public Health 6(5): e0006466
Khwepeya M, Pintye J, Abuna F, Bhat A, Enquobahrie DA, Gomez L, John-Stewart G, Kinuthia J, Marwa M, Ngumbau N, Odhiambo B, Watoyi S, Stern J, Larsen A
"It is the foundation for the child": a qualitative study examining caregiver perspectives on the Nurturing Care Framework in Kenya and Botswana.
(2026)
BMJ Public Health 4(2): e004261
Bulterys MA, Garcia S, Njuguna I, Schenkel S, Thankane K, Kitsi I, Okinyi H, Mulupi P, Maeri I, Kgole S, Masasa G, Wamalwa DC, Cassidy AR, Makhema J, Powis K, John-Stewart G
Show complete publication list