Table 1.

Model parameters and their values.

Parameter	Description	Value	Source
$\mathrm{\Lambda }$	Recruitment rate	1930	[33]
$\mu$	Natural death rate	$\frac{1}{70\times 365}$	[33]
${\alpha }_1$	Transmission rate by ${\mathbf{E}}_1$	$2\times {10}^{-11}$	[33]
${\alpha }_2$	Transmission rate by ${\mathbf{E}}_2$	$2.65\times {10}^{-11}$	[33]
${\beta }_1$	Transmission rate by ${\mathbf{I}}_1$	$1.2644\times {10}^{-8}$	[33]
${\beta }_2$	Transmission rate by ${\mathbf{I}}_2$	$1.3\times {10}^{-8}$	[33]
$\delta$	Progression rate from ${\mathbf{E}}_1$ to ${\mathbf{I}}_1$	0.0784	[33]
$\mathcal{E}$	Progression rate from ${\mathbf{E}}_2$ to ${\mathbf{I}}_2$	0.0564	[33]
${\sigma }_1$	Death rate due to strain 1	0.015	[33]
${\sigma }_2$	Death rate due to strain 2	0.0143	[33]
${\theta }_1$	Recovery rate of infected with strain 1	0.13978	[33]
${\theta }_2$	Recovery rate of infected with strain 2	0.1	[33]