From: Patterns of HIV prevalence among injecting drug users in the cross-border area of Lang Son Province, Vietnam, and Ning Ming County, Guangxi Province, China
China
Ethnic minority
P Value
Yes
No
Distance from the Border
0 km
33 (83%)
7 (18%)
P = .1118
19 km
15 (83%)
3 (17%)
57 km
162 (69%)
73 (31%)