IVDU's recruited at the Miami site answered questionnaires regarding drug use, needle sharing, needle cleaning, and sexual risk behaviors as well as demographic characteristics, health status, AIDS knowledge, and followup locator. The data collected demonstrates that the majority of IVDU's share needles and do not sterilize them; there is a need for education and counseling about specific risk reduction measures. However, the implementation of these intervention requires cultural sensitivity as demonstrated in the data on sexual behavior of IVDU's. 4 tables and 19 references.