Table 2.

Reproduction number $R_0$ in cases when $n_p,a$ and $\beta$ are varied and other parameters are kept fixed.

Parameter	Case (1)	Case (2)	Case (3)	Case (4)	Case (5)
$n_p$	0.57	0.80	0.80	0.80	0.57
$a$	0.1	0.1	0.06	0.1	0.02
$\beta$	$2.00\times 10^{-17}$	$2.00\times 10^{-17}$	$2.00\times 10^{-17}$	1.00 $\times {\mathbf{10}}^{\mathbf{-17}}$	$2.00\times 10^{-17}$
${\mathcal{R}}_0$	3.34989	1.55809	0.82715	0.779044	0.606435