In 1992,HIV infection rates of intra-venous drug users(IDUs)were 80.7% inRuili city, 43.0%in Longchuan county,17.4%in Yinjiang county,3.7%in Luxi county and0 in Kunming city respectively;

• 1992年静脉吸毒感染率瑞丽市为80．8%25，陇川县为43．0%25，盈江县为17．4%25，潞西县为3．7%25，昆明市为0。