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Presentation Title: Estimating the impact of community based HIV counseling and testing (HCT) on HIV incidence in South Africa and UgandaPresenter: Ruanne Barnabas, MBChB, DPhil, Assistant Professor, Department of Global Health, Division of Allergy and Infectious Diseases, University of WashingtonSynopsis: Mathematical modeling studies of HIV testing with current treatment guidelines can estimate impact on population HIV incidence. We used a validated HIV transmission model HIV and viral suppression among HIV-positive persons to estimate the impact of community-wide home-based HIV counseling and testing (HBCT) and linkages on HIV incidence in KwaZulu-Natal, South Africa. Of 1,273 adults tested, 404 (32%) were HIV-positive; 158 (39%) were on ART and 127 (32%) were ART eligible (CD4≤350 cells/µL). By month 12, 111 participants initiated ART and viral load was suppressed among 69% of all HIV-positive persons. Modeling estimates 1) HBCT every 5 years with ART at CD4≤350/µL would decrease HIV incidence, over 5 and 10 years, by 31% and 33%, respectively, 2) ART initiation at new WHO guidelines (CD4≤500 cells/µL) would decrease incidence by 41% and 45%, respectively.
About the University Lecture Series
KCUMB's University Lecture Series features lectures and presentations from a broad spectrum of national and international speakers on topics that are relevant to the diverse University community. The series is directed by Seft Hunter, Ph.D., director of sponsored programs, along with a committee made up of faculty, staff and students.
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