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In this figure, we plot the rate of transmission obtained from formula (4.5) with f = 0.5, χ2 θ = 0.145 < ν = 0.2 (in (a)) and ν = 0.1 < χ2 θ = 0.145 (in (b)), χ2 = 0.66 and θ = 0.22, and CR∞ = 67 102, which is the latest value obtained from the cumulative number of reported cases for China.
