Table 1.
Description of the variables and parameters of the COVID-19 model (6)
| Variable | Description |
| S(t) | Proportion of susceptible individuals |
| E(t) | Proportion of exposed individuals |
| A(t) | Proportion of asymptomatically infected individuals |
| I(t) | Proportion of symptomatically infected individuals |
| Q(t) | Proportion of quarantined individuals |
| H(t) | Proportion of hospitalized individuals |
| R(t) | Proportion of removed individuals |
| Parameter | Description |
| β | Infection rate |
| ηAηQ, ηH | Modification parameters for asymptomatic, quarantined, and hospitalized infection rates |
| q | Proportion of exposed developing asymptomatic infections |
| σ | Disease progression rate from the exposed to infectious |
| γI, γA, γQ, γH | Recovery rates of symptomatic, asymptomatic, quarantined, and hospitalized individuals |
| ωQ, ωH | Quarantine and hospitalization rates |
| νQ | Quarantine violation rate |
| νH | Hospital discharge rate |
| δI, δA, δQ, δH | Death rates of symptomatic, asymptomatic, quarantined, and hospitalized individuals |