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Table 1 Parameter and variable definitions

From: How can the public health impact of vaccination be estimated?

Parameter

Definition

Variable

Definition

y

Year

Bb

Burden in baseline/counterfactual scenario

Yv

Years of vaccination

Bf

Burden in focal scenario

Ym

Years evaluated

Dbf

Difference or impact between baseline and focal burden

a

Age

 

baseline and focal scenarios (BbBf)

Av

Age at routine vaccination

ρ

Impact ratio (impact per FVP)

Am

Ages modelled

D

Vaccine impact

c

Country

FVP

The number of fully vaccinated persons

v

Vaccine

  

k

Birth cohort