2002-2012年张家港市流动人口艾滋病流行特征分析

目的分析张家港市流动人口艾滋病流行特征，为国家科技重大专项江苏省传染病防治示范区艾滋病防控工作提供策略依据。方法收集2002--2012年间报告的流动人口人类免疫缺陷病毒感染者／艾滋病患者（HIV／AIDS）病例个案和疫情监测资料，进行描述流行病学分析。结果自2002年首次发现HIV感染者以来，至2012年底累计发现流动人口HIV／AIDS125例，其中AIDS12例。男女性别比为3．31，以20—40岁、初中及以下文化程度的民工和无业人员居多。以性传播途径为主，占75．20％；男男性途径感染占24．80％。在感染者的发现上，医疗卫生机构的常规筛查、主动开展HIV咨询和检测（PITC）和自愿咨询和检测（VCT）工作起到了重要作用。结论2002--2011年张家港市流动人口艾滋病疫情上升明显，2012年有所下降，性接触为主要传播途径，需进一步强化示范区各项防控工作，保持遏制艾滋病传播和流行的势头。

Analysis on epidemic characteristics of AIDS among floating population in Zhangjiagang City from 2002-2012

Objective] To analyze the epidemic characteristics of AIDS among floating population in Zhangjiagang City, provide policy basis for AIDS prevention and control of infectious disease prevention and treatment demonstration area in Jiangsu Province, which is the national science and technology major project. Methods] The reported cases and monitoring data of HIV/AIDS among floating population from 2002 to 2012 were collected, and analyzed by describe epidemiological methods. Results] Since the first case of HIV infection had been found in 2002, a total of 125 HIV/AIDS cases of floating population were reported by the end of 2012, including 12 AIDS cases. The male-to-female ratio was 3.31. Most of cases were migrant workers and the unemployed per- sonnel aged 20- 40 years old, who had the cultural level of junior middle school and below. The sexual transmission accounted for 75.20%, and infection of MSM accounted for 24.80%. The routine screening, provider initiated testing and counsehng （ PITC ） and voluntary counseling and testing （VCT） which were conducted by the medical and health institutions played an important role in finding infected people. Conclusion ] The epidemic situation of AIDS in floating population has risen significantly in Zhangjiagang City from 2002-2012, while shows a decline trend in 2012. The sexual contact is the main route of transmission. It is necessary to further strengthen the prevention and control in demonstration area, to control the spread of HIV/AIDS.