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.

In South Africa, HIV drugs have halved new infections among children in the last four years, and are increasingly affordable.

As a part of Al Jazeera's series on the state of HIV/AIDS, Tarek Bazley looks at the drugs that are saving lives.

Source: Al Jazeera