More than 34 million people worldwide suffer from HIV. In the 1990s, contracting the virus, which can lead to AIDS, was considered a death sentence. But now an array of drugs may have reversed that.<br />In South Africa, HIV drugs have halved new infections among children in the last four years, and are increasingly affordable.<br />As a part of Al Jazeera's series on the state of HIV/AIDS, Tarek Bazley looks at the drugs that are saving lives.
