Table 3.

Best fitted parameters for the model.

Parameters	Interpretation	Value	Source
$\theta$	Recruitment rate into susceptible population	1.418243e−01	Fitted
$\mu$	Natural mortality rate	5.389301e−02	Fixed
$\delta$	COVID-19 death rate	6.839696e−01	Fitted
$\omega$	Progression rate from exposed to infectious class	2.421307e−02	fitted
$\sigma$	Immunity loss rate	2.104874e−01	Fitted
$\tau$	Treatment rate for infectious people	8.270934e−01	Fitted
$\varphi$	Treatment rate for people in quarantine	4.584931e−03	Fitted
$\psi$	Proportion of individuals that maintain social distancing	2.999373e−01	fitted
$\upsilon$	Proportion of the total population that effectively make use of the face mask and use of hand sanitizer	2.808803e−01	Fitted
$\rho$	Rate of recovery from infection	1.786530e−01	Fitted
${\alpha }_c$	Effective transmission rate	2.814715e−01	Fitted