Notify partners exposed to an STI of their risk, encourage testing, and refer to services; also called contact tracing, or partner counseling and referral services
Use websites, computer programs, and other electronic means to provide information, strategies, or behavioral support to tobacco users who want to quit, sometimes with counseling or pharmacotherapy
Provide sterile injection equipment and often other treatment and referral services to people who inject drugs; also called needle or syringe exchange programs and needle syringe programs