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Table 2 Description and values of parameters in the age-specific SEIAR model

From: A five-compartment model of age-specific transmissibility of SARS-CoV-2

Parameter

Description

Unit

Value

Range

Method

βii a

Transmission relative rate among age group i

Individuals− 1·days− 1

–

≥ 0

Curve fitting

βij a

Transmission relative rate from age group i to j

Individuals−1·days− 1

–

≥ 0

Curve fitting

βji a

Transmission relative rate from age group j to i

Individuals−1·days− 1

–

≥ 0

Curve fitting

βjj a

Transmission relative rate among age group i

Individuals−1·days− 1

–

≥ 0

Curve fitting

κ

Relative transmissibility rate of asymptomatic to symptomatic individuals

1

1

0–1

Reference [16, 22, 23]

p

Proportion of the asymptomatic

1

0.2015

0.016–0.78

Analysis of data

ω

Incubation relative rate

days−1

0.1429

0.05556–0.5

Analysis of data

ω’

Latent relative rate

days−1

0.1429

0.05556–0.5

Analysis of data

γ

Recovered/Removed rate of the infectious

days−1

0.2

0.1111–0.3333

Analysis of data

γ’

Recovered/Removed rate of the asymptomatic

days−1

0.2

0.04762–1

Analysis of data

f

Fatality of the disease

1

0.003552

0–1

Analysis of data

  1. a: i and j represent age group 1 to 4, respectively, and i ≠ j; - means not applicable