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Table 1 Variables in the age-specific model

From: The optimal vaccination strategy to control COVID-19: a modeling study in Wuhan City, China

Variables

Description

Unit

S

Susceptible individuals

Individuals

E

Exposed individuals

Individuals

I

Infectious individuals

Individuals

A

Asymptomatic individuals

Individuals

R

Recovered/Removed individuals

Individuals

V1

Vaccinated individuals without immunity

Individuals

V2

Vaccinated individuals with immunity

Individuals

N

Total number of population

Individuals