| shifts in drug-taking threaten asia. | infection with the human immunodeficiency virus (hiv) is spreading rapidly among injection drug users (idus), particularly in countries of the golden triangle where myanmar (burma), thailand, and laos converge and the pure heroin china white is refined. thailand, myanmar, hong kong, malaysia, singapore, the southern provinces of china, and the northeastern states of mizoram, manipur and nagaland in india are affected. infection has reached 50% and more in some groups of idus in these countries ... | 1992 | 12317433 |