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 counseling, informational materials, etc. to inform smokers and non-smokers of the harms of secondhand smoke and encourage them to implement home smoking bans
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