In the global fight against HIV/AIDS, there's some very good news. According to a new report from the United Nations, the number of new HIV infections are down by nearly one-third over the last decade. Among children new infections are down 52 percent. The number of AIDS-related deaths are also down.
What are the major factors driving this progress? And what barriers still need to be overcome? Katrina Ortblad is a researcher at the Institute for Health Metrics and Evaluation at the University of Washington. She talks with David Hyde.