Variable

Interpretation

S

Population of susceptible individuals

E

Population of individuals exposed to Covid-19

I

Population of infectious individuals

H

Population of infected and Hospitalized individuals

R

Population of Recovered Individuals

D

Number of death due to Covid-19

Parameter

Interpretation

A

Recruitment rates into the population

${\eta }_1,\left({\eta }_2\right)$

Effective contact rates in (I & H)

$\gamma$

Force of infection with Susceptible

a

Transmission rate form E to I

$\theta$

Fraction of those Hospitalized

$d_1\mathrm{,}\left(d_2\right)$

Disease mortality rate in (I & H)

$w_1\mathrm{,}\left(w_2\right)$

Rate of recovery from (I & H)

$\sigma$

Burial rate of Covid-19 patient

$\kappa$

Saturation factor that measure

Hospitalized been delayed for treatment

$\alpha$

Cure rate for Hospitalized individuals

$1/\mu$

Human average life span