Table 1 Estimates of parameters and initial values of variables in model (1)
Parameters | Definition | value | Source |
|---|---|---|---|
c | Initial contact rate | 15 | Estimated |
β | Probability of successful transmission | 0.1334 | Estimated |
θ | Transmission probability reduction of asymptomatically infected individuals | 0.1 | Estimated |
ρ | Ratio of symptomatic infection | 0.6 | Estimated |
q | Quarantine rate of exposed individuals | 0.415 | Estimated |
σ | Transition rate of exposed individuals to the infected class | 1/7 | [33] |
λ | Rate at which the quarantined uninfected contacts are released | 1/14 | [22] |
δI | Transition rate of symptomatically infected individuals to the quarantined infected class | 0.2257 | Estimated |
δq | Transition rate of quarantined exposed individuals to the quarantined infected class | 0.2 | Estimated |
γI | Recovery rate of symptomatically infected individuals | 0.02 | Estimated |
γA | Recovery rate of asymptomatically infected individuals | 0.07 | Estimated |
γH | Recovery rate of quarantined infected individuals | 0.0239 | Estimated |
α | Disease-induced death rate | 0.013 | Estimated |
N | The total population | 6.048×107 | Data |
E(0) | Initial exposed population | 26 | Estimated |
I(0) | Initial symptomatically infected population | 20 | Estimated |
A(0) | Initial asymptomatically infected population | 5 | Estimated |
Sq(0) | Initial quarantined susceptible population | 51 | Estimated |
Eq(0) | Initial quarantined exposed population | 13 | Estimated |
H(0) | Initial quarantined infected population | 3 | Data |
R(0) | Initial recovered population | 0 | Data |