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Since the very beginning of the HIV epidemic, sex workers have been at increased risk for HIV, because of multiple partners, and highly vulnerable because of environmental and structural barriers that prevent them from accessing services or having control over their activities.1 Experience with feasible and effective prevention programmes has been accumulating for more than 20 years. In Democratic Republic of Congo,2 Côte d'Ivoire3 and Bolivia,4 HIV and or STI rates among sex workers declined as a result of individual interventions including condom promotion, STI care and risk-reduction messages. Experience from the Dominican Republic5 and India6 7 illustrated the effectiveness of contextual interventions to reduce the vulnerability of sex workers and create an enabling environment.
So far, large-scale implementation of sex-worker interventions to reduce either risks or vulnerability has lagged behind. Most countries today still do not have a national plan to address the needs for this population, and worldwide less than 50% of sex workers have access to a minimum of prevention services.1 8 India is clearly an exception!
The government of India has supported sex-worker interventions in many high-prevalence districts since the mid-1990s, adopting mainly individual risk-reduction strategies such as condom distribution and outreach. In 2005, the Bill and Melinda Gates Foundation's Avahan India AIDS Initiative was launched to increase the coverage of interventions for most at-risk populations, adopting a more holistic approach to prevention for sex workers. Within 2 years of operation, Avahan had scaled up an HIV-prevention intervention across six states in India, achieving coverage of over 80% of the target population. In coordination with the government of India and 134 grass-roots Indian non-governmental organisations, the programme reaches over 200 000 sex workers, 60 000 men who have sex with men, 20 000 injecting-drug users and over 5 million high-risk men.9 Careful programme monitoring at all levels has allowed Avahan to document programme coverage and quality, as described in the papers in this issue, and an ambitious plan to evaluate the prevention impact of Avahan is now under way. Initial results are promising, with notable decreases in STI and HIV among both the target populations and general population.10 11
With its focus on prevention, Avahan has stood in stark contrast to the treatment fervour that has swept the HIV community. While the world turned its attention to expanding access to antiretroviral therapy to people living with HIV/AIDS, Avahan relied on the power of epidemiology, structural intervention and community ownership, and set out to halt the HIV epidemic in India. Perhaps because the Avahan senior staff were drawn from the management and business world, they came to the task of HIV prevention with an enthusiasm and open-mindedness constrained neither by politics nor by the received truths of the global HIV community. And they knew how to manage large-scale undertakings!
Three key principles have defined Avahan's work—data, community and a scaled approach. They started with the data, mapping as carefully as they could the patterns of the concentrated epidemic in India, identifying those areas with the majority of HIV cases and with low coverage of HIV prevention services. And they stayed with the data: once the strategy of targeting sex workers, men who have sex with men, male clients, long-distance truckers and injecting-drug users was outlined, data guided every decision. As members of the Technical Advisory Panel, we were regularly asked questions such as: are we in the right areas, are we reaching every sex worker, are the services of sufficient quality and intensity, what should we do differently, what do the data tell us? And based on the data collected, the Avahan team abandoned activities and redirected resources to activities that were more likely to have an impact at scale.
But if ‘data’ was the first element of the strategy, and ‘scale’ the second, then ‘community’ was clearly an equally, if not more important, third element. From its inception, Avahan strove to put the community of sex workers at the centre of the response. Sex workers were viewed not only as the key customers but also as the natural owners of the programme. The inspiration for this came from the Sonagachi Project, a project well known for its success in increasing condom use and decreasing sexually transmitted disease in West Bengal, India.6 7 The Sonagachi Project is led by sex workers in a model that has come to be known as community-led structural intervention.
Avahan began its community mobilisation efforts with the recruitment of community guides to help map the high-risk populations in the focal districts. Those data were shared with the community, and as STI treatment and condom distribution services began to be established, community members were engaged as peer educators and advisors. They advised on the location of drop-in centres and the hiring of doctors, and oversaw outreach. This participation facilitated access to key social networks and helped the project track the intensity and quality of programme exposure. As their involvement grew, sex workers began to identify with each other and see themselves as a community, and they increasingly came together to work on issues affecting the community as a whole. For example, with support from the programme, they formed violence response systems and strengthened their ability to negotiate with local police and power structures.12 Sex workers have now mobilised in small and large communities across the Avahan districts to claim their identities and their rights, to stand up against harassment and violence, and to hold government accountable for quality HIV prevention, testing and treatment services.
The prevention community is coming to terms with the complexity of HIV prevention and being urged to make better use of existing data, to ensure resources are directed to where the epidemic is and to what drives it, to address vulnerability and structural determinants, and to apply what we know works with sufficient quality, intensity and scale.8 13 14 These are the principles that have characterised Avahan's approach from the start. The fact that, this many years into the epidemic, we are also rediscovering the importance of sex-worker interventions makes Avahan's achievement over the last 5 years even more remarkable. Avahan stands as a rare example of the enormous power of data and community—especially when working together—to challenge an epidemic and a mindset, and to overcome both.
The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the US Centers for Disease Control and Prevention.
Competing interests None.
Provenance and peer review Commissioned; externally peer reviewed.
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