School of Public Health

McClelland, Scott

Scott McClelland

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


MD Medicine, University of Washington, 1995
MPH Epidemiology, University of Washington, 2001
BS Biology, University of Washington, 1989

Contact Info

University of Washington
Box 359909
325 9th Avenue
Seattle, WA 98104
Tel: 206-543-4278

Dr. McClelland is a Professor of Epidemiology, Medicine, and Global Health. He leads a trainee-driven research program linking Seattle and Kenya in collaboration with the Fred Hutchinson Cancer Research Center and the University of Nairobi (UON). Dr. McClelland's research spans a range of topics in HIV, STIs, women's health, key populations epidemiology, clinical trials, and implementation research.


  • Impact of peri-conceptual vaginal microbiota on the risk of spontaneous preterm birth
  • RCT of an IS approach to improve the rate of HIV testing in women presenting for family planning in Mombasa County, Kenya
  • Effect of antiretroviral therapy on infectivity and sexual risk behavior in Kenyan women
  • Prevalence, correlates, and clinical outcomes of HIV-1/HBV co-infected women receiving antiretroviral therapy
  • Polymorphisms in the CYP2B6 drug metabolizing enzymes, clinical outcomes, and adverse drug events in antiretroviral treated Kenyan women
  • Incidence and epidemiologic correlates of HIV-1 superinfection
  • Vaginal ecology and the risk of HIV-1 and STIs in women
  • Randomized trial of periodic presumptive treatment to reduce vaginal infections in women at risk for HIV-1 and STIs
  • Women's Lifecourse Events and HIV Transmission Potential: A Multidisciplinary Study


Research Interests

  • Impact of periconceptual vaginal microbiota on women's risk of preterm birth 
  • Randomized trial of an implementation science tool to integrate HIV testing into family planning services in Mombasa County, Kenya 
  • Motivation matters! Randomized trial of theory-based, SMS to support treatment as prevention in high-risk women 
  • Development of a point of care cervical cancer diagnostic platform for low-resource settings 
  • Validation of collection Methods for high risk HPV Detection 
  • Women's life course events & HIV transmission potential: A multidisciplinary study

Teaching Interests

Dr. McClelland leads the UW Global Health Clinical Elective program (UCONJ625), which includes clinical exchanges with programs in Kenya, Uganda, Malawi, Nepal, Nicaragua, and Peru. He is a regular lecturer in med 561 (Tropical Medicine), EPI 507/OBGYN590 (HIV and STDs in Women and Children), EPI 530 (AIDS, A Multidisciplinary Approach), and GH573 (Clinical Management of HIV).


In The News

Distinct vaginal bacteria linked to HIV risk
SPH News, 02/07/2018

Uncovering the female body’s secret protection against HIV
PBS NewsHour, 08/19/2016