Visitors to the Whitman-Walker Health mobile testing vehicle hold gift packs that include Valentine&#39;s Day candies, prophylactics and informational flyers as part of National Black HIV/AIDS Awareness Day near the Anacostia Metro station February 7, 2013 in Washington, DC. The HIV prevalence rate in the District of Columbia is at an epidemic level at nearly 3 percent, among the highest for any U.S. city, with nearly 15,000 adults in the district living with HIV or AIDS.