Fig. 1From: Understanding the spread of infectious diseases in edge areas of hotspots: dengue epidemics in tropical metropolitan regionsStudy area. The subgraph on the top-right shows the location of the study area relative to other countries in East Asia. And the main graph shows the main area in Kaohsiung city, Taiwan and the population density in each village. According to the concentration of population density distribution and geographical location, we have hightlighted the five regions (N1, N2, C1, C2, and S) in blue circles shown on the graph in the study area to discuss the hotspot and edge area distributionBack to article page