Table 1. Parameters of the metapopulation model.

Parameters	Definition	Value	References
β	Transmission rate	0.8	Estimated
μ	Factor of reduction of the transmission rate	0.5	Li et al. [33]
α	Fraction of symptomatic	0.65	Li et al. [33]
Z	Average latency period	3.6	Li et al. [33]
D	Average duration of infection	3.14	Li et al. [33]
M ij	Number of people travelling from county j to county i daily	-	Estimated
M ji	Number of people travelling from county i to county j daily	-	Estimated
θ	Multiplicative Travel Factor	1	Li et al. [33]