Fig. 4

Effects of different levels of control interventions on dengue epidemics in Xiangqiao district, Chaozhou, China. Chart a: Comparisons of the effect of no control and practical control interventions on dengue epidemics.Chart b: Effects of different reductions in effective contact rate (ECR) on dengue epidemics.Chart c: Effects of different reductions in mosquito density on dengue epidemics.Chart d: Effects of different reductions in both mosquito density and ECR on dengue epidemics