FIG. 1.

(A) Distribution of patients diagnosed from 2002 to 2005 in Qiubei County, Yunnan Province, People's Republic of China. The capital letters represent the names of the townships of this county. XD, Xindian; NJ, Nijiao; YZ, Yuezhe; BDS, Badaoshao; SP, Shupi; SLY, Shuanglongying; JP, Jinping; TX, Tianxing; PZ, Pingzai; WL, Wenliu; YJ, Yangjie. The inset depicts the Yunnan Province in southern China. Patients are coded by numbers. Multicase families (F1 to F11) are shown as rectangles, and the patient numbers are indicated. (B) The distribution of characteristic strain types A to E identified by MLVA (in Fig. 2) is depicted for some of the patients represented in panel A.