Figure 3

The geographical distribution of patient ethnic groups, various lineages and sublineages of L2 in Chiangrai. 1,098 patients with the geographic information were included. (A) Chiangrai is divided into administrative districts. We summarized the data for 6 main areas as shown on the map. (B) The distribution of patients in each area by ethnic groups. The number of tuberculosis patients in each area is shown in the pie charts. (C) The distribution of the four lineages in each area (N = 1,098). (D) The distribution of sublineages of L2 in each area. (N = 481).