Faculty

Grace C. John-Stewart

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

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)

Prenatal exposure to HIV pre-exposure prophylaxis and birth, growth, and social-emotional developmental outcomes throughout early childhood in Kenya: a prospective cohort study.
(2025 Mar)
Lancet Glob Health 13(3): e467-e478
Gómez L, Kinuthia J, Abuna F, Baeten JM, Dettinger J, Larsen A, Marwa M, Ngumbau N, Odhiambo B, Omondi P, Stern J, Richardson BA, Watoyi S, John-Stewart G, Pintye J, PrEP Implementation for Mothers in Antenatal Care (PrIMA) Study Team
Diminished Mycobacterium tuberculosis-specific T-cell Responses During Pregnancy in Women With HIV and Receiving Isoniazid Preventive Therapy.
(2025 Feb)
Open Forum Infect Dis 12(2): ofaf067
Saha A, Escudero JN, Layouni T, Mecha J, Maleche-Obimbo E, Matemo D, Kinuthia J, John-Stewart G, Richardson BA, LaCourse SM, Shah JA
Sociobehavioral determinants of non-retention among adolescents and young adults living with HIV.
(2025 Feb 5)
AIDS
Hicks S, Jiang W, Kibugi J, Badia J, Richardson BA, Beima-Sofie K, Agot K, Kohler P, John-Stewart G
HIV risk perception and PrEP uptake among pregnant women offered PrEP during antenatal care in Kenya.
(2025 Jan 31)
J Acquir Immune Defic Syndr
Marwa MM, Larsen A, Abuna F, Dettinger J, Odhiambo B, Watoyi S, Omondi P, Ngumbau N, Gómez L, John-Stewart G, Kinuthia J, Pintye J
Brief Report: Effect of Improved Provider Communication and Adherence to Guidelines on PrEP Initiation in Kisumu Kenya.
(2025 Mar 1)
J Acquir Immune Defic Syndr 98(3): 252-256
Vera M, Sila J, Richardson BA, Otieno F, Owiti G, Kemunto V, Kinuthia J, Beima-Sofie K, Larsen A, Dettinger JC, Pintye J, John-Stewart G, Kohler P
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