Table 8.

Reproduction numbers.

	Beijing	Canada	Hong Kong	Singapore
Disease-free	$\nu =0.01$
$R_0$	4.031	1.708	2.804	1.082
$R_{df}$	0.01366	0.005787	0.009502	0.003668
Endemic	$\nu =0.000002$
$R_{df}$	3.807	1.613	2.649	1.022
$R_{en}$	0.3756	0.6887	0.4863	0.9786