Fig. 4From: Spatial transmission network construction of influenza-like illness using dynamic Bayesian network and vector-autoregressive moving average model1-week lagged influenza transmission network in different subregions of Sichuan province. (a) Western Sichuan subregion (b) Chengdu Plain subregion (c) Northeastern Sichuan subregion (d) Southern Sichuan subregion. *There were four cities with single-direction arrows pointing to other cities in the province while with no city in the province pointing to themselves, i.e., Ziyang, Guangyuan, Yibin and Panzhihua. The map of Sichuan was generated by R softwareBack to article page