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Evaluation Review, Vol. 29, No. 4, 331-357 (2005)
DOI: 10.1177/0193841X05276437
© 2005 SAGE Publications

Scaling Up HIV Voluntary Counseling and Testing in Africa

What Can Evaluation Studies Tell Us About Potential Prevention Impacts?

Peter Glick

Cornell University

Although there is a widespread belief that scaling up HIV voluntary counseling and testing (VCT) programs in Africa will have large prevention benefits through reductions in risk behaviors, these claims are difficult to establish from existing evaluations of VCT. Considerations from behavioral models and the available data suggest that as VCT coverage expands, marginal program effects are likely to decline owing to changes in the degree of client selectivity, and that potential uptake among those at highest risk is uncertain. The article also assesses two other common perceptions about VCT in Africa: that a policy of promoting couples-oriented VCT would be more successful than one emphasizing individual testing and that VCT demand and prevention impacts will be enhanced where scaling up is accompanied by the provision of antiretroviral drugs.

Key Words: HIV/AIDS • voluntary counseling and testing • selectivity models • program evaluation • behavior change


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 Am. J. Public HealthHome page
C. M. Obermeyer and M. Osborn
The Utilization of Testing and Counseling for HIV: A Review of the Social and Behavioral Evidence
Am J Public Health, October 1, 2007; 97(10): 1762 - 1774.
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