Theory and Modern Applications
Table 1 The estimated and fitted parameter values for model (7), when \(\alpha _{1}=\alpha _{2}=1\)
From: The dynamics of COVID-19 with quarantined and isolation
Parameter | Description | Value | Source |
|---|---|---|---|
Λ | Birth rate | μ × N(0) | Estimated |
μ | Natural death rate | \(\frac{1}{76.79\times 365}\) | [29] |
\(\eta _{1}\) | Contact rate | 0.003 | Fitted |
\(\eta _{2}\) | Disease transmission coefficient | 0.00000034002 | Fitted |
ψ | Transmissibility multiple | 0.004 | Fitted |
θ | Asymptomatic infection | 0.21003 | Fitted |
ω | Incubation period | 0.00001111 | Fitted |
ρ | Incubation period | 0.0180322 | Fitted |
\(\tau _{1}\) | Recovery rate due to I | 0.00023 | Fitted |
\(\tau _{2} \) | Recovery rate due to A | 0.19 | Fitted |
\(q_{1}\) | Infection contribution to M by I | 0.00101 | Fitted |
\(q_{1}\) | Infection contribution to M by A | 0.0214 | Fitted |
\(q_{3} \) | Removing rate of virus from M | 0.23008 | Fitted |
\(\delta _{1}\) | Quarantine rate of exposed individuals | 0.1223 | Fitted |
\(\xi _{1}\) | Disease death rate of infected individuals I | 0.0002 | Fitted |
γ | Hospitalization rate of infected individuals | 0.0005 | Fitted |
\(\phi _{1}\) | Recovery rate of quarantined individuals | 0.1 | Fitted |
\(\delta _{2}\) | Hospitalization rate of quarantined individuals | 0.06 | Fitted |
\(\phi _{2}\) | Recovery rate of hospitalized individuals | 0.2 | Fitted |
\(\xi _{2}\) | Disease death rate of hospitalized individuals | 0.01 | Fitted |