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HIV trial holds promise for preventing infection

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Although antiretroviral drugs are not a cure, they can stop people infected with HIV from developing AIDS by keeping the amount of virus in the body low.

This audio feature explores a UK trial that used the antiretroviral drug Truvada to prevent a group of homosexual volunteers, considered at risk of contracting HIV, from doing so. Although the drug was successful in the United Kingdom, experts warn that more effort will be needed to develop targeted campaigns to administer the treatment  in regions where HIV is endemic, such as Sub-Saharan Africa.
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