Fig. 2From: Spatial distribution of HIV, HCV, and co-infections among drug users in the southwestern border areas of China (2004–2014): a cohort study of a national methadone maintenance treatment programDistribution, LISA cluster map and geographic scan clusters of HIV, HCV and co-infections of MMT clients from 2004 to 2014 in Guangxi. Red circles represent high risk clusters. a Distribution of all MMT clients; b Spatial clusters of HIV infection; c Spatial clusters of HCV infection; d Spatial clusters of HIV/HCV co-infectionBack to article page