Figure 3From: Spatial epidemiology and climatic predictors of paediatric dengue infections captured via sentinel site surveillance, Phnom Penh Cambodia 2011–2012 Mapping of cases by serotype showing significant spatial clusters within greater Phnom Penh, by smallest administrative district (sangkat) (n = 216). Note: Cluster 1 (radius- 5.2 km): 46 cases; relative Risk = 2.1 (p = 0.004); Cluster 2 (1.7 km): 43 cases; relative Risk = 1.9 (p = 0.031).Back to article page