Table 4.

Change $R_0$ in different level of $\alpha$

$\alpha$	$1.7\times {10}^{-10}$	$3.7\times {10}^{-10}$	$5.7\times {10}^{-10}$	$6.6\times {10}^{-10}$
$R_0$	0.2614	0.5690	0.8766	1.0149