Analysis on the surveillance results and epidemiological characteristics of HIV/ AIDS in Dalian
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摘要: 目的分析1995-2008年辽宁省大连市艾滋病报告病例的流行特征，探讨流行特点。 方法对大连市历年病例报告资料和艾滋病性病监测资料进行统计分析。 结果大连市1995-2008年累计报告艾滋病病毒感染者/艾滋病患者320例，死亡20例；其中男性254例、女性66例，最小年龄9岁，最大年龄68岁；67.81%为经性途径传播，其中45.62%为男男同性性接触，血液传播占22.81%，9.37%感染途径不详；2008年国家级综合监测暗娼人群HIV-抗体监测结果为未检出，监测感染率为0，同性性接触者人群HIV-抗体监测结果为阳性16例，监测感染率为3.99%。结论大连市艾滋病整体流行态势为低流行，感染途径以经性途径传播为主，男性同性性接触人群疫情上升趋势明显。提示应继续深入执行目前的艾滋病高危行为干预策略，针对男男同性性接触人群加大干预力度及范围，减缓艾滋病的传播。Abstract: ObjectiveTo determine the epidemiologic characteristics of reported AIDS cases in Dalian, Liaoning from 1995 to 2008, providing evidence for the identification of the prevalence patterns of the disease. MethodsCase reports of previous years and data derived from AIDS/HIV routine surveillance were statistically analyzed. ResultsThe cumulative number of HIV- antibody-positive cases reached 320 in the duration from 1995 to 2008 in Dalian, plus 20 deaths, including 254 male and 66 female cases. The minimal age of HIV positives was 9, the maximum 68. 67.8 % of the cases were infected through sexual transmission, of which 45.62% was homosexual males; blood-borne infection accounted for 22.81%, and 9.37% transmission route remained unknown. The national HIV-antibody surveillance revealed a negative result among sex workers in 2008, the monitored infection rate zero. On the other hand, the surveillance showed 16 cases of antibody-positive MSM (men who had sex with men), the monitored infection rate 3.99%.ConclusionThe overall prevalence of AIDS in Dalian was low, sexual transmission being the major transmission route. An increase of prevalence was noticed among MSM. Therefore, strict adherence to the current AIDS-related high-risk behavior intervention strategies and intensification of the efforts and scope for the intervention among MSM is the key to the prevention and control of AIDS prevalence.
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Key words:
- acquired immunodeficiency syndrome /
- epidemic situation /
- surveillance
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