In South Africa, which has the world’s largest HIV-positive population, authorities say girls and young women are now the most at-risk demographic with many having resorted to transactional sex to pay the bills during COVID pandemic lockdowns.  Ahead of World Aids Day on Dec. 1, VOA spoke to a former sex worker and visited a clinic that treats adolescent girls and others with HIV. Kate Bartlett reports from Johannesburg, South Africa, on efforts to halt the spread. Camera: Zaheer Cassim 
…