symbol

significance

$\epsilon \left(T\right)$

Latent population transmission rate

$a\left(T\right)$

Transmission rate of infected population

$\beta$

morbidity

${\delta }_E$

Self-healing rate of latent population

${\delta }_D$

Mortality rate of the infected population

${\delta }_I$

Recovery rate of the infected population

k

Per capita daily contact number