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目的：对昆明市2009～2011年疫情网络直报系统中50岁及以上人群HIV/AIDS现状进行分析，为今后针对老年人艾滋病的专题调查提供线索。方法从《中国疾病预防控制信息系统》中导出2009年1月1日~2011年12月31的HIV/AIDS所有原始报告卡片，用软件 SPSS17.0对50岁以上人群的 HIV/AIDS病例进行回顾性分析。结果≥50岁人群HIV/AIDS病例均以男性为主。平均年龄（59.93±7.78）岁，最大年龄为92岁，病例主要集中在50～69岁年龄段。3年的数据均显示病例主要集中在家务及待业/离退人员/农民这三类人群。2009年报告50岁及以上HIV/AIDS病例287例占当年总病例数的10.62%，2010年共报告50岁及以上HIV/AIDS病例201例占当年总病例数的10.64%，2011年共报告50岁及以上HIV/AIDS病例289例占当年总病例数的12.90%。病例分布均以本市为主。存在部分外省、外国到本市就医的病例。结论2009～2011年昆明市≥50岁人群HIV/AIDS比例逐年上升，建议下一步开展针对老年人艾滋病的专题调查，有针对性的采取干预措施。“,”Objective Analyze the HIV infection situation of that people age more than 50 years in Kunming city, the data are from communicable diseases reporting network system of Kunming Centers for Disease Control and Prevention. The result can provide some evidences to prevent old people infect HIV in next work plan. Method Col ect data from 1th January2009 to 31th December 2011 in communicable diseases reporting network system, use SPSS 17.0 retrospective analyze the HIV infection situation of that people age more than 50 years. Result Most PLHIV are male in that people age more than 50 years, average age are 59.93±7.78 ()years old. Maximum age are 92 years old, most PLHIV are focus on 50~69 years old, PLHIV profession focus on housework and unemployment, retire, farmer. 10.62%PLHIV are age more than 50 years in 2009, 10.64%in 2010, 12.90%in 2011. Most PLHIV are living at Kunming city, someone come from other province and other countries. Conclusion The ratio of PLHIV who age more than 50 years rise year by year. Next work we should survey about the reason of old people infect HIV and find some measures protect more people.