HIV Infection and Risk, Prevention, and Testing Behaviors Among Injecting Drug Users — National HIV Behavioral Surveillance System, 20 U.S. Cities, 2009

This report summarizes two separate analyses using unweighted data from 10,200 eligible IDUs in 20 MSAs from the second collection cycle of NHBS in 2009. Both an HIV infection analysis and a behavioral analysis were conducted. Different denominators were used in each analysis because of the order and type of exclusion criteria applied. More.