Figure 4From: Is expanding HPV vaccination programs to include school-aged boys likely to be value-for-money: a cost-utility analysis in a country with an existing school-girl program Cost threshold analysis for the combined vaccine + administration costs per dose for the best model adding boys to the girls-only program. Incremental cost-effectiveness ratio of adding boys to the current girls-only program (1G + B), compared to the current girls-only program (1G), as a function of cost per dose delivered (including vaccine and administration costs).Back to article page