Table 3.

Descriptions of parameters involved in the system (1)

Parameters	Descriptions	Units
$1-c$	Fraction of susceptible individuals which are highly aware due to word-of-mouth communication	–
${\lambda }_{01}$	Rate of transfer of highly active aware individuals to susceptible class	day${}^{-1}$
${\lambda }_{02}$	Rate of transfer of less active aware individuals to susceptible class	day${}^{-1}$
${\nu }_h$	Recovery rate of hospitalized individuals	day${}^{-1}$
${\alpha }_s$	COVID-19 induced death rate of symptomatic individuals	day${}^{-1}$
${\alpha }_h$	COVID-19 induced death rate of hospitalized individuals
$\delta$	Rate of transfer of recovered individuals to susceptible class due to immunity loss	day${}^{-1}$
d	Natural death rate of human population	day${}^{-1}$
r	Growth rate of broadcasting of information	ads. person${}^{-1}$ day${}^{-1}$
$\theta$	Decay in advertisements due to increase in number of aware individuals	–
w	Half saturation constant	persons
$r_0$	Diminution rate of advertisements due to inefficacy and psychological barriers	day${}^{-1}$
$M_0$	Baseline number of social media advertisements	ads.