Stabilization of HIV infection rates in urban Burkina Faso, 1995–1999

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Abstract
The objectives of this study were to monitor the trends of the HIV epidemic between 1995 and 1999 among pregnant women in Bobo-Dioulasso, the second largest town of Burkina Faso, and to discuss the possible effect of preventive interventions (condom availability) on sexual transmission of HIV in this context. Age-specific trends in HIV prevalence obtained from sentinel surveillance programme were analysed. Among antenatal clinic attendees, HIV prevalence was 7.5% ( n=401) in 1995, 10% ( n=200) in 1996, 7.6% ( n=448) in 1997, 8.4% ( n=642) in 1998 and 5.3% ( n=716) in 1999 without demonstrated temporal trend ( P=0.12). The average number of condoms available per person (aged 15-49 years) per year increased from 0.6 in 1992 to 5.7 in 1995 and 6.0 in 1999. Anonymous surveys are less subject to selection bias and suggest a stabilization of the HIV prevalence around 7.3% in Bobo-Dioulasso. Distribution of condoms could explain at least, partly, this stabilization of the HIV epidemic.

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