Table 2.

Basic reproduction numbers computed by MCMC on the WS network.

Location	Period	Mean value	Standard derivation	95% CI
Wuhan	Jan 11–Jan 23	3.4074	0.2099	[2.9959, 3.8188]
	Jan 23–Feb 1	1.3065	0.3976	[0.5273, 2.0858]
	Feb 1–Feb 12	0.0221	0.0170	[0, 0.0555]
	Feb 12–Mar 31	$5.35\times 10^{-3}$	$5.34\times 10^{-3}$	[0, 0.0158]
Toronto	Jan 26–Mar 18	0.6416	0.0867	[0.4716, 0.8116]
	Mar 18–Mar 29	0.0115	0.0151	[0, 0.0412]
Italy	Jan 31–Mar 8	1.4763	0.0984	[1.2834, 1.6691]
	Mar 8–Mar 26	0.0359	0.0185	[0, 0.0721]