On France24.com: Quarraisha Abdool Karim, helping South African women fight AIDS

Quarraisha Abdool Karim is the UNAIDS special ambassador for adolescents and HIV. She's one of the world's leading AIDS researchers and an advocate for the rights of people living with and affected by HIV. Although new HIV infections have fallen around the world since the late 1990s, it seems that this decline has somewhat lost momentum. Quarraisha Abdool Karim explains why ending AIDS as a public health threat remains particularly challenging.