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CDC's HIV Prevention Programs in South Africa:

Most At-Risk Populations

Developing New Strategies to Prevent the Spread of HIV

South Africa s HIV epidemic is generalized among the population, but a subset of groups is at particularly higher risk for HIV transmission. The Human Sciences Research Council (HSRC) defines most-at-risk populations (MARPs) those groups that have higher than average HIV prevalence when compared to the general population. At-risk populations are among the most marginalized and most likely to be stigmatized. In addition, resources and national HIV-prevention campaigns are not necessarily geared to their specific HIV prevention, treatment and care needs. The definition of MARPS, however, varies from country to country, and in South Africa, the HSRC defines MARPS as:

  • African females aged 20 34
  • African males aged 25 49
  • Men who have sex with men (MSM)
  • High-risk drinkers
  • People who use drugs for recreational purposes
  • People with disabilities

These groups are more vulnerable to HIV infection due to a variety of factors such as;
more frequent exposure to the virus, involvement in risky behaviors, potentially weak
family and social support systems, marginalization, lack of resources, and inadequate
access to health-care services.

The U.S. Centers for Disease Control and Prevention in South Africa (CDC South Africa), through its Global AIDS Program (GAP), is working to develop, support, and strengthen HIV prevention and treatment interventions aimed at these most at-risk populations (MARPs). CDC South Africa is conducting a systematic review of activities targeting MARPs, including MSM, Recent data from three studies presented at the 4th South African AIDS conference show HIV prevalence rates among MSM ranging from 12.6% to 47.2%.

The NDOH has called for a concerted effort to provide comprehensive prevention services to this hard to reach target population. MARPs are a relatively new focus area under the U.S. President s Emergency Plan for AIDS Relief (PEPFAR), through which GAP initiatives are implemented. Future prevention efforts will place more emphasis on key risk populations and drivers of the epidemic. CDC South Africa s priorities for the prevention of HIV transmission among MARPS include:

  • Implementing community-based approaches to behavior change, including
    peer education and outreach targeted at hard-to-reach groups
  • Distributing condoms and lubricants and promoting correct and consistent
    condom use
  • Supporting innovative initiatives to promote counseling and testing and HIV
    rapid testing in non-clinical settings
  • Promoting sexually transmitted infection (STI) screening and treatment for all persons at high risk for HIV and STIs as part of HIV prevention, treatment and care
  • Promoting and supporting substance abuse prevention and treatment programs that target HIV-infected individuals
  • Strengthening linkages between HIV prevention and HIV treatment and care services

Crucial to the success of HIV prevention strategies targeting MARPs will be effective mapping of service coverage and coverage gaps, attention to sustainability, and improvement of surveillance and epidemiological data for MARPs. Many of these populations remain hidden and can be difficult to reach. Researchers are considering respondent-driven sampling methodology, in which members of the at-risk population refer their peers for participation in the survey.

Two key CDC South Africa partners currently conducting MARPs research are:

  • The Human Sciences Research Council (HSRC) developing a national surveillance system for MSM and working with organizations who have access to this group, in order to establish a trusting relationship
  • The Medical Research Council (MRC) conducting studies on IDU and CSW populations

CDC South Africa hopes to expand its partnerships in prevention, particularly in the area of MARPs. In the meantime, efforts will be focused on taking stock of MARPs quality of, access to, and barriers to services; identifying coverage gaps; and addressing issues of stigma. In addition, CDC South Africa will continue to partner with the South African National Department of Health in support of activities targeting high-risk populations. The goal is to provide a comprehensive package of prevention services that includes peer outreach and education, condom promotion and distribution, counseling and testing, sexually transmitted infection screening and treatment, referral to substance abuse and treatment services, and referral to treatment for people living with HIV and AIDS.


 
 
 
  • Page last reviewed: December 5, 2011
  • Page last updated: December 5, 2011
  • Content source: Global Health
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