Hepatitis C spreads via one way. Contact via a bodily fluid like blood, semen, breast milk, lymph, etc...
As such communities can help prevent the the spread of Hep C via campaigns that improve sexual habits of people (stop unsafe sexual contact). Additionally for the event more common needle sharing in IVDA (Intravenous Drug Users) programs that introduce the dangers of drugs and drug sharing, rehab programs, and at the very least some way of sharp disposal for those doing drugs.
