Authorities in South Africa, which has the largest HIV-positive population in the world, say that girls and young women are now the demographic most at risk since many of them have turned to transactional sex to pay their bills during COVID pandemic lockdowns. VOA visited a clinic that treats adolescent girls and other people with HIV in ahead of World Aids Day on Dec. 1 and spoke with a former sex worker. Kate Bartlett has this report on efforts to stop the spread from Johannesburg, South Africa