There are an estimated 8,000 people in Canada living with HIV, but they don't even know it. That's why scientists and advocates are working to end HIV in Canada by introducing more testing and better access to resources. On World AIDS Day, host Jeff Douglas spoke with Dr. Sean Rourke, a scientist with the MAP Centre for Urban Health Solutions at St. Michael's Hospital in Toronto, and Dave Miller, the Atlantic HIV Stigma Index co-ordinator for REACH Nexus, about their efforts.