Table 1.

Different effects on ${\mathcal{R}}_0$ of increasing state transfer rates. Up arrows indicate increases from the baseline values and down arrows indicate decreases from the baseline values.

	$({\delta }_{21},{\delta }_{31},{\delta }_{41},{\delta }_{51},{\delta }_{12},{\delta }_{13},{\delta }_{14},{\delta }_{15})$	${\mathcal{R}}_0$
Baseline	(0.2, 0.2, 0.2, 0.2, 0.3, 0.3, 0.3, 0.3)	6.0074 $\phantom{\downarrow }$
${\delta }_{21}\uparrow$	(0.25, 0.2, 0.2, 0.2, 0.3, 0.3, 0.3, 0.3)	6.0216 $\uparrow$
${\delta }_{31}\uparrow$	(0.2, 0.25, 0.2, 0.2, 0.3, 0.3, 0.3, 0.3)	6.0009 $\downarrow$
${\delta }_{41}\uparrow$	(0.2, 0.2, 0.25, 0.2, 0.3, 0.3, 0.3, 0.3)	5.9568 $\downarrow$
${\delta }_{51}\uparrow$	(0.2, 0.2, 0.2, 0.25, 0.3, 0.3, 0.3, 0.3)	5.7936 $\downarrow$
${\delta }_{12}\uparrow$	(0.2, 0.2, 0.2, 0.2, 0.35, 0.3, 0.3, 0.3)	5.9931 $\downarrow$
${\delta }_{13}\uparrow$	(0.2, 0.2, 0.2, 0.2, 0.3, 0.35, 0.3, 0.3)	6.0110 $\uparrow$
${\delta }_{14}\uparrow$	(0.2, 0.2, 0.2, 0.2, 0.3, 0.3, 0.35, 0.3)	6.0265 $\uparrow$
${\delta }_{15}\uparrow$	(0.2, 0.2, 0.2, 0.2, 0.3, 0.3, 0.3, 0.35)	6.0674 $\uparrow$