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. 2020 Mar 4;93:211–216. doi: 10.1016/j.ijid.2020.02.058

Table 1.

Summary table of the parameters in model (1).

Parameter Notation Value or range Remark Reference
Number of zoonotic cases F {0, 10} A stepwise function J.T. Wu et al. (2020)
Initial population size N0 14 million Constant South China Morning Post (2020)
Initial susceptible population S0 0.9N0 Constant Assumed
Transmission rate β0 {0.5944, 1.68}a (day−1) A stepwise function Assumed
Governmental action strength α {0,0.4239,0.8478} A stepwise function He et al. (2013)
Intensity of responds κ 1117.3 Constant He et al. (2013)
Emigration rate μ {0, 0.0205} (day−1) A stepwise function South China Morning Post (2020)
Mean latent period σ−1 3 (days) Constant J.T. Wu et al. (2020)
Mean infectious period γ−1 5 (days) Constant J.T. Wu et al. (2020)
Proportion of severe cases d 0.2 Constant Worldometers. (2020)
Mean duration of public reaction λ−1 11.2 (days) Constant He et al. (2013)
a

It is derived by assuming that the basic reproduction number, R0=β0γ·σσ+μ=2.8 (referring to Imai et al., 2020, Riou and Althaus, 2020, J.T. Wu et al., 2020, Zhao et al., 2020a, Zhao et al., 2020b) when α = 0, by using the next generation matrix approach (van den Driessche and Watmough, 2002). The time unit is in year if not mentioned.