Rates of HIV infection in sub-Saharan Africa remain stubbornly high, despite considerable investment in an array of HIV prevention interventions. The solution to accelerating and sustaining the decline in new infections may be found in the addition of new interventions to the 'tool kit'. These include early antiretroviral (ARV) treatment for prevention, innovative behaviour change methods, 'key population' intervention packages, vaccines and passive immunisation. While all of these have potential, their utility remains unproven.
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Eakle et al. (2013) studied this question.
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