Table 1.

Description of the variables and parameters.

Parameter	Interpretation	Value	Reference
$\omega {}_{\text{H}}$	Recruitment rate	$\frac{10000}{59\times 365}$	[17], [18]
$\omega {}_{\text{R}}$	Loss of immunity after recovery	0.1	Assumed
$\Lambda {}_{\text{C}}$	Effective contact rate transmission of COVID-19	0.6	[19]
$\Lambda {}_{\text{T}}$	Effective contact rate transmission of tuberculosis	1. 3	[20]
$\beta {}_{\text{C}}$	Modification parameter accounting for susceptibility of COVID-19-infected
	Individuals to tuberculosis	1	Assumed
$\beta {}_{\text{T}}$	Modification parameter accounting for susceptibility of tuberculosis-infected
	Individuals to COVID-19	1	Assumed
$\eta {}_{\text{U}}$	Progression rate from asymptomatic to unreported symptomatic COVID-19	0. 785	[21]
$\eta {}_{\text{R}}$	Progression rate from asymptomatic to reported symptomatic COVID-19	0. 2	[22]
$\theta {}_{\text{U}}$	Progression rate from exposed to unreported infectious tuberculosis class	0.7	[23]
$\theta {}_{\text{R}}$	Progression rate from exposed to reported infectious tuberculosis class	0.166	[23]
$\gamma {}_{\text{CT}}$	Fraction of individuals moving to the co-infection class	0.0333	Assumed
$\alpha {}_{\text{CR}}$	Tuberculosis infection rate of reported individuals already infected with COVID-19	0.0028	Assumed
$\gamma {}_{\text{CU}}$	Tuberculosis infection rate of unreported individuals already infected with COVID-19	0.0044	Assumed
$\alpha {}_{\text{TR}}$	COVID-19 infection rate of reported individuals already infected with tuberculosis	0.13	Assumed
$\gamma {}_{\text{TU}}$	COVID-19 infection rate of unreported individuals already infected with tuberculosis	0.0333	Assumed
$\alpha {}_{\text{CU}}$	Recovery rate of unreported COVID-19 infected individuals	0.142	[21]
$\alpha {}_{\text{C}}$	Recovery rate of reported COVID-19 infected individuals	0.68	[24]
$\alpha {}_{\text{TU}}$	Recovery rate of unreported tuberculosis infected individuals	0.175	[25]
$\alpha {}_{\text{T}}$	Recovery rate of reported tuberculosis infected individuals	0.35	[25]
$\varphi {}_{\text{CU}}$	Death rate of unreported COVID-19 infected individuals	0.0065	[26], [27]
$\varphi {}_{\text{CR}}$	Death rate of reported COVID-19 infected individuals	0 .0018	[28]
$\varphi {}_{\text{TU}}$	Death rate of unreported tuberculosis infected individuals	0. 004	[29]
$\varphi {}_{\text{TR}}$	Death rate of reported tuberculosis infected individuals	0.000179	[30]
$\mu {}_{\text{H}}$	Natural death rate of the population	$\frac{1}{59\times 365}$	[17], [18]