Grace John-Stewart, MD, MPH, PhD


gjs photo (1)Dr. John-Stewart was trained as an internist and pediatrician prior to specializing in infectious diseases and receiving a Ph.D. in epidemiology. Her research is focused on international HIV-1 studies, primarily based in Kenya. These include studies of transmission, prevention, clinical epidemiology, clinical trials, and molecular epidemiology.  Her interests include mother-to-child transmission of HIV-1, pediatric HIV-1, and co-infections (TB, helminths, CMV), HIV-1 acquisition and pathogenesis, and treatment and delivery of HIV-1 treatment and prevention services. She has published over 250 peer-reviewed manuscripts and mentored over 85 students/fellows. Dr. John-Stewart’s funding has included support from the NIH, CDC, Gates Foundation, EDCTP, and the Elizabeth Glaser Pediatric AIDS Foundation. Dr. John-Stewart received the Elizabeth Glaser Scientist Award, a K24 Mentorship Award, and a UW School of Medicine mentorship award.  She is currently the Director of the CFAR International Core and the UW Global Center for Integrated Health of Women, Adolescents, and Children (Global WACh).


  1. Hegarty T, McGrath C, Singa B, Kinuthia J, John-Stewart G, Pintye J. Postpartum depression and prevention of mother-to-child transmission of HIV in Kenya. JANAC 2019, in press.
  2. Wilson K, Mugo C, Moraa H, Onyango A, Nduati M, Inwani I, Bukusi D, Slyker J, Guthrie B, Richardson B, John-Stewart G, Wamalwa D, Kohler P. Health provider training is associated with improved engagement in HIV care among adolescents and young adults in Kenya. AIDS 2019, in press.  PMID: 30932957
  3. Arndt M, Richardson B, Mahfuz M, Ahmed T, Haque R, Gazi M, John-Stewart G, Denno D, Scarlett J, Walson J. Fibroblast growth factor 21 predicts growth responses to nutritional supplementation among underweight children in Bangladesh. Curr Dev Nutr 2019, in press.
  4. LaCourse S, Wagner A, Cranmer L, Copeland A, Maleche-Obimbo E, Richardson B, Matemo D, Kinuthia J, John-Stewart G. High programmatic isoniazid preventive therapy (IPT) among HIV-infected women. JAIDS, in press.
  5. Sherr K, Asbjornsdottir K, Crocker J, Coutinho J, Cuembelo M, Tavede E, Manaca N, Ronen K, Murgurgo F, Barnabas R,John-Stewart G, Holte S, Pfeiffer J, Gimbel S. Scaling-up the systems analysis and improvement approach for prevention of mother-to-child HIV transmission in Mozambique (SAIA-SCALE): a stepped-wedge cluster randomized trial. Implementation Science 2019; 14 (1): 41. Doi:10.1186/213012-019-0889-z. PMID: 31029171

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