School of Public Health

John-Stewart, Grace

Grace John-Stewart

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


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

Contact Info

Global Center for Integrated Health of Women, Adolescents and Children (Global WACh)
Kenya Research and Training Center
325 9th Avenue, Box 359909
Seattle, WA 98104
Tel: 206-543-4278


UW Medicine, Division of Allergy and Infectious Diseases

Research Interests

Dr. John-Stewart trained as an internist and pediatrician prior to specializing in infectious diseases and receiving a PhD 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 delivery of HIV-1 treatment and prevention services.

She has published over 150 peer-reviewed manuscripts. Currently, Dr. John-Stewart's funding includes support from the NIH, CDC, and the Gates Foundation. Dr. John-Stewart received the Elizabeth Glaser Scientist Award, has mentored over 85 students/fellows, received a K24 Mentorship Award, was nominated for the UW post-doctoral mentorship award and received a UW School of Medicine mentorship award. She is currently the Director of the CFAR International Core, Kenya Research Program, and UW Global Center for Integrated Health of Women, Adolescents and Children (Global WACh).


Nduati R, Richardson BA, John G, Mbori-Ngacha D, Overbaugh J, Mwatha A,Ndinya-Achola J, Bwayo J, Kreiss J. Effect of breastfeeding on maternal mortality among HIV-1 infected women. Lancet 2001;357:1651-55. [abstract]

Chung M, Kiarie J, Richardson B, Lehman D, Overbaugh J, John-Stewart G. Breast milk HIV-1 suppression and decreased transmission: A randomized trial comparing HIVNET 012 nevirapine vs. short-course zidovudine. AIDS 2005; 19:1415-1422.

Walson JL, Otieno PA, Mbuchi M, Richardson B, Lohman-Payne B, Macharia SW, Overbaugh J, Berkley J, Sanders E, Chung M, John-Stewart GC. Albendazole treatment in HIV-1 and helminth co-infected adults: A randomized, double blind, placebo-controlled trial. AIDS 2008; 22(13):1601-1609.

Walson JL, Singa BO, Sangare L, Naulikha J, Piper B, Richardson BA, Otieno PA, Mbogo LW, Berkley J, John-Stewart G. Randomized trial of empiric deworming to delay HIV-1 disease progression in ART-ineligible individuals. Lancet Infect Dis 2012 Dec;12(12):925-32. Epub 2012 Sep 10.

Slyker J, Casper C, Tapia K, Richardson BA, Bunts L, Huang ML, Maleche-Obimbo E, Nduati R, John-Stewart G. Clinical and virologic manifestations of primary Epstein-Barr (EBV) infection in Kenyan infants born to HIV-infected women. J Infect Dis 2013, in press.

In The News

Student Analyst Group becomes Center, Grows Collaborations
UW School of Public Health News, 10/10/2014

Close Up August 2013: Grace John-Stewart
UW School of Public Health Faculty Profile, 07/31/2013

New Center Launched for Women, Teens, and Kids
UW School of Public Health News, 12/13/2011