The UN estimates that more than 33 million people live with HIV and Aids around the globe.
There are hundreds of theories on how to limit infection rates, with most focusing on treatment of those already infected.
However, a medical project in Elandsdoorn in South Africa works to encourage healthy lifestyles, focusing on motivation as much as prevention and treatment.
Al Jazeera's Rosie Garthwaite reports from South Africa on a scheme that is beginning to show positive results.
Source: Al Jazeera