PreventionWorks! is a needle exchange program in Washington DC that aims to reduce the spread of bloodborne diseases like HIV/AIDS among injection drug users. The organization operates a mobile van that provides clean needles in exchange for used ones at various sites throughout the city. In addition to needle exchanges, the van also distributes safe sex kits, food, clothing, and information about drug treatment programs. Volunteers with PreventionWorks! describe serving a diverse group of clients on the van, including injection drug users, crack smokers, and sex workers. The staff is dedicated to caring for clients and providing a safe community space for harm reduction.