• Clinical Professor, Global Health
Stefan Wiktor

325 9th Avenue
HMC #359932
Seattle, WA 98104
United States

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Dr. Stefan Wiktor is a public-health physician with more than thirty years’ experience in epidemiologic research and in the implementation of public-health programs for the control of infectious diseases. Dr. Wiktor started his public-health career at the U.S. National Cancer Institute where he conducted research on the epidemiology of human retroviruses. After joining the U.S. Centers for Disease Control and Prevention, he conducted research studies of HIV-1 and HIV-2 in Ivory Coast, West Africa and led the implementation of a large-scale HIV/AIDS prevention and treatment program in Tanzania. Dr. Wiktor’s research in Africa was among the first to show that anti-retroviral medications were effective in preventing mother-to-child HIV transmission. He was also responsible for showing that antibiotics reduced bacterial infections in HIV-infected adults, thereby reducing the morbidity and mortality of the disease. This research led to the WHO recommendation for antibiotic prophylaxis to prevent deaths in HIV-infected adults. Prior to coming to the University of Washington, Dr. Wiktor was the Team Lead of the World Health Organization’s Global Hepatitis Programme where he led the development of several guidelines and policy documents and assisted countries in the implementation of comprehensive viral hepatitis prevention and control programs. Currently, he oversees projects in Mozambique and Zimbabwe focusing on HIV testing and treatment services.

  • MD (Pennsylvania State University)
  • MPH (Johns Hopkins University)
  • BA (University of Pennsylvania)
Country Affiliations 
  • French
  • Polish
Health Topics 
  • Hepatitis
DGH Centers, Programs and Initiatives and Affiliated Organizations 

Cooke GS, Andrieux-Meyer I, Applegate TL, Atun R, Burry JR, Cheinquer H,... Wiktor S. Accelerating the elimination of viral hepatitis: a Lancet Gastroenterology & Hepatology Commission. Lancet Gastroenterol Hepatol. 2019;4(2):135-

Bochner AF, Tippett Barr BA, Makunike B, Gonese G, Wazara B, Mashapa R, Wiktor S. Strengthening provider-initiated testing and counselling in Zimbabwe by deploying supplemental providers: a time series analysis. BMC Health Serv Res. 2019;19(1):351.

Bochner AF, Meacham E, Mhungu N, Manyanga P, Petracca F, Muserere C, Gonese G, Makunike B, Wazara B, Gwanzura C, Nyika P, Levine R, Mutasa-Apollo T, Balachandra S, Wiktor SZ. The rollout of Community ART Refill Groups in Zimbabwe: a qualitative evaluation. J Int AIDS Soc. 2019 Aug;22(8)