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. 2016 May 25;11(5):e0156213. doi: 10.1371/journal.pone.0156213

Fig 3. Vaccination rates required to reduce HCV prevalence.

Fig 3

Annual vaccination rate (per 1000 PWID) and coverage levels (after 20 years–shown on top of bars) needed to reduce UK HCV chronic prevalence among PWID by a relative 25, 50 and 75% over 20 or 40 years, for a low (50% protection for 5 years), moderate (70% protection for 10 years) or high efficacy vaccine (90% protection for 20 years). Asterisks mark scenarios in which vaccine cannot achieve desired reduction in prevalence over time period.