Table 1.

Description of parameters.

Parameters	Description
$\mathrm{N}$	Population (million)
${\mathrm{\gamma }}^{-1}$	Latent time (day)
${\mathrm{\nu }}^{-1}$	Hospitalization time (day)
${\mathrm{S}}_0$	Initial susceptible cases
${\mathrm{M}}_0$	Initial semi-susceptible cases
${\mathrm{E}}_0$	Initial exposed cases
${\mathrm{I}}_0$	Initial infection cases
${\mathrm{H}}_0$	Initial hospitalized cases
${\mathrm{R}}_0$	Initial recovered cases
${\mathrm{D}}_0$	Initial death cases
${\mathrm{V}}_0$	Initial vaccinated cases