Figure 3.

Effects of the number of communities covered by interventions on R ₀. The number of communities varies from 3 to 15. For each n, 1000 simulations are implemented. WS networks with k = 2, p = 0.2, 0.4, 0.6 and random network are used. Mean number of neighbour communities for each community is k = 2. (a) Box-plot of R ₀ for each n (WS network with p = 0.4). (b) Histogram for the value of R ₀ when n = 9 (WS network with p = 0.4). (c) Mean values of R ₀ for each n for WS networks with p = 0.2, 0.4, 0.6 and random network, respectively. T _l = 1/2, $v_{ii}^m=0.5$, $v_{between}^{⁎}=0.5$, ${\sigma }_i^m=\mathrm{0.02,}{r}_{ii}^v=r_{ij}^v=\mathrm{2,}{r}_i^{\sigma }=2$. Other parameters are described in Table 1.