Fig. 1From: Coverage, efficacy or dosing interval: which factor predominantly influences the impact of routine childhood vaccination for the prevention of varicella? A model-based study for ItalyPercentage reduction in varicella incidence (a) and incidence per 100,000 popn (b) across all age groups at 30Â years after vaccination, for different coverage, efficacy and dosing scenarios compared with no varicella vaccination. Legend: VC (vaccine coverage 1st dose_2nd dose), VE (1st dose vaccine efficacy)Back to article page