We carried out the investigation on 225 drug abusers in L village, Ruili county in March 1990, and tested blood specimens of intravenous users (IVDUs) for HIV infection. Of 225 drug abusers, 153 (68.0%) were by inhaling and 72 (32.0%) were by intravenous. In the recent two years, the proportion of IVDUs in drug abusers sharply increased from 13.5% in 1988… (More)
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