Table 3 Distribution of regions with high-risk gathering zones.

2005

The junction of Youting town and Longshui town in Dazu, the central part of Longshui town in Dazu, the east of Shapingba, the junction of Liuyin town and Sansheng town, as well as the junction of Liuyin town and Longshui town in Beibei, the southwest of Shiyan town in Changshou, the central part of Baijia town in Dianjiang, the junction of Yantai town and Chengxi town in Dianjiang, the junction of Gaofeng town and Gaoan town, as well as the junction of Gaofeng town and Gangjia town in Dianjiang, and the west of Nantuo town in Fuling

2010

The eastern part of Shapingba, the west of Jiangjin, the north of Youting town in Dazu, the south of Liuyin town and the junction of Jingguan town and Sansheng town in Beibei, the junction of Gelan town and Shiyan town in Changshou, Yihe town and Nantuo town in Fuling, the central part of Lidu subdistrict in Fuling, the central part of Baijia town in Dianjiang, the southeast of Chengxi town in Dianjiang, the junction of Gaofeng town and Gangjia town in Dianjiang, and Linjiang town in Kaizhou

2015

The eastern part of Shapingba, the north of Youting town in Dazu, the central part of Baijia town in Dianjiang, the southeast of Chengxi town in Dianjiang, the junction of Gaofeng town and Gangjia town in Dianjiang, and the western Linjiang town and central Wenquan town in Kaizhou