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Table 1 Description and values of parameters in the age-specific SEICAR model

From: Effectiveness of potential antiviral treatments in COVID-19 transmission control: a modelling study

Parameter

Description

Unit

Value

Range

Method

βii *

Transmission relative rate among age group i

Individuals−1·days−1

Shown in text

 ≥ 0

Curve fitting

βij *

Transmission relative rate from age group i to j

Individuals−1·days−1

Shown in text

 ≥ 0

Curve fitting

βji *

Transmission relative rate from age group j to i

Individuals−1·days−1

Shown in text

 ≥ 0

Curve fitting

βjj *

Transmission relative rate among age group i

Individuals−1·days−1

Shown in text

 ≥ 0

Curve fitting

κ

Relative transmissibility rate of asymptomatic to symptomatic individuals

1

0.65

0–1

Refs. [31, 39, 41, 42]

p

Proportion of the asymptomatic

1

0.36

0.016–0.78

Refs. [31, 35, 41, 43,44,45]

ω

Incubation relative rate

days−1

0.2

0.05556–0.5

Refs. [31, 41, 46,47,48]

ω′

Latent relative rate

days−1

0.2

0.05556–0.5

Refs. [31, 41, 46,47,48]

qi*/qj*

Severely rate of symptomatic in age group i/j

1

Shown in text

 ≥ 0

Analysis of data

γ

Recovered/Removed rate of the symptomatic

days−1

0.2

0.1111–0.3333

Refs. [31, 36, 47, 49,50,51]

γ′

Recovered/Removed rate of the asymptomatic

days−1

0.1

0.04762–1

Refs. [31, 52]

fci*/ fcj*

Fatality of the disease in age group i/j

1

Shown in text

 ≥ 0

Analysis of data

  1. *i and j represent age group 1 to 4, respectively, and i ≠ j