Use individual-, group-, and community-level interventions to provide education, support, and training that can affect social norms about HIV and other STIs
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