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Table 1 Scenario analyses

From: 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 Italy

Parameter Values Source
Vaccination coverage:
1st dose & 2nd dose (VC D1_D2)
95–80 %
85–70 %
75–60 %
Assumptions
Vaccine efficacy (VE):
for 1st dose
65 %
75 %
Prymula et al. [11]
Assumption
Vaccine efficacy (VE) for 2nd dose 95 % (fixed) Prymula et al. [11]
Dosing interval scenarios
Age at 1st dose & 2nd dose
Short (1–1.5 years): 13 months & 1.5 years
Medium (1–6 years): 13 months & 6 years
Long (1–12 years): 13 months & 12 years
Assumptions
Catch-up programme For susceptible 12-year-olds, for 11 years, 20 % coverage Assumptions