Table 1 Parameters used in model (1–8)

\(\alpha _{E}\)

Contact disease rate of a person in compartment E at time t

Estimated \(day^{-1}\)

Table 2

\(\alpha _{I_{U}}\)

Contact disease rate of a person in compartment \({I}_{U}\) at time t

Estimated \(day^{-1}\)

Table 2

\(\alpha _{I_{D}}\)

Contact disease rate of a person in compartment \({I}_{Diag}\) at time t

Estimated \(day^{-1}\)

Table 2

\(\beta _{E}\)

Transition rate of a person in compartment E at time t

Estimated \(day^{-1}\)

Table 2

\(\beta _{I_{U}}\)

Transition rate of a person in compartment \({I}_{U}\) at time t

Estimated \(day^{-1}\)

Table 2

\(\beta _{R_{U}}\)

Rate at which an undiagnosed infected person recovers at time t

Estimated \(day^{-1}\)

Table 2

\(\beta _{R_{D}}\)

Rate at which a diagnosed infected person recovers at time t

Estimated \(day^{-1}\)

Table 2

\(\beta _{Ex}\)

Rate at which a diagnosed infected person dies at time t

Estimated \(day^{-1}\)

Table 2

\(\mu _{L}\)

Reduction risk factor of infection in compartment \(S_{L}\) at time t

—

Table 2

ρ

Proportion of the population size N that is initially at higher risk of contracting the infection

0.4

[23]

N

Total size of the population

30⋅10⁶

—