自1981年美国发现第1例艾滋病患者后,短短30年时间艾滋病疫情便迅速向世界各地蔓延。艾滋病流行在我国分为3个时期,输入散发期(1985-1988年),全国报告人类免疫缺陷病毒(HIV)/获得性免疫缺陷综合征(AIDS)病例19例,均为沿海地区的境外输入性病例;局部流行期(1989-1994年),发现数百例以静脉注射毒品感染病例,病例集中在毒品流行的边境地区;广泛流行期(1995年至今),静脉注射毒品人群中的HIV Since the first case of AIDS was discovered in the United States in 1981, the AIDS epidemic spread rapidly around the world in only 30 years. AIDS epidemic in China is divided into three periods, the input period (1985-1988), the national report of human immunodeficiency virus (HIV) / Acquired Immunodeficiency Syndrome (AIDS) cases in 19 cases, are imported outside the coastal areas In the endemic period (1989-1994), hundreds of cases of intravenous drug-induced infections were found. The cases were concentrated in border areas where the drugs were endemic. In the period of widespread epidemic (1995 to present), HIV among drug users