Table 1.

Model parameter description.

Parameter	Description
$\Lambda$	Natural natality rate of susceptible
$b$	Recruitment rate of healthcare workers
$\xi$	proportional use of personal protective equipment
${\beta }_1$	Disease transmission rate
${\beta }_2$	Transmission rate of healthcare workers
$\mu$	Natural mortality rate
$\alpha$	Progression rate from exposed stage to symptomatic infectious stage
$\rho$	Progression rate from exposed stage to asymptomatic infectious stage
$\nu$	Hospitalization rate of symptomatic infected individuals
$\epsilon$	Hospitalization rate of asymptomatic infectious individuals
$\omega$	Recovery rate of hospitalized population
$\eta$	The rate in which symptomatic infectious population recover
$\delta$	The rate in which asymptomatic infectious population recover
$d$	Disease induced death rate
$r$	proportional of healthcare workers
$\gamma$	Waning rate of disease-induced immunity
$\theta$	The rate of wearing masks, sanitation, hygiene and physical distancing