Table 1.

Parameter values

Parameter	Discription	Value
$b^{\sigma }(\xi )$	Recruitment rate into the susceptible population at time $\xi$	0.061/day [26]
$\beta$	Probability of disease transmission	1.1/day [40]
${\nu }^{\sigma }$	Rate of seroconversion (from expose to infectious)	0.004107/day [26]
${\alpha }^{\sigma }$	Rate of recovery	0.7222/day [26]
${\kappa }^{\sigma }$	Rate of loss of immunity	0.95 [26]
${\mu }_N^{\sigma }$	Natural death rate	0.000024/day [26]
${\mu }_D^{\sigma }$	Disease induced death rate	0.00000088/day [26]