2009-2011年深圳市HIV/AIDS疫情分析

Epidemic Analysis of HIV / AIDS from 2009 to 2011 in Shenzhen

目的了解深圳市2009-2011年艾滋病流行特点,为制定切实有效的预防和控制策略提供依据。方法对深圳市2009-2011年艾滋病疫情资料进行流行病学分析。结果 2009-2011年深圳市累计报告HIV/AIDS病例2982例,其中HIV感染者2139例,AIDS病人843例。男女性别比为4.8∶1;年龄主要集中在20～岁组,占77.7%,平均年龄(32.9±0.6)岁;初中、高中或中专文化程度人群占68.9%;流动和暂住人口占86.5%;性传播为主要传播途径,占76.6%,其中同性性传播的占31.9%,且异性性接触传播和同性性接触传播的感染比重均逐年上升(P﹤0.01)。结论深圳市HIV/AIDS人群以流动和暂住人口占绝大多数,传播途径以性传播为主,且呈逐年上升趋势,同性性传播应给予关注。近期的控制策略为遏制经性途径传播的速度,预防二代传播,加强对男同性恋人群和流动人口的防治力度。

Objective To understand the characteristics of AIDS epidemic from 2009 to 2011 in Shenzhen and provide basis for HIV/AIDS prevention and control strategies. Method The epidemic data of HIV/AIDS from 2009 to 2011 in Shenzhen were analyzed by epidemiological method. Results There were 2 982 HIV positive cases reported from 2009 to 2011 in Shenzhen,in which 2 139 cases were HIV positive,843 cases were diagnosed as AIDS. The ratio of male to female was 4.8：1 ,most of cases were people aged 20~39 years old （77.7%）, with an average age of （32.9~0.6）years. 68.9% of them had the education level on junior high school and senior high school.86.5% of them were floating population. The major route of transmission was sexual contact, accounting for 76.6% of all HIV positive cases, in which the same-sex transmission was 31.9% .In addition,the infection ratio caused by both heterosexual and homosexual transmission increased year by year （P〈0.01）. Conclusions Most of HIV cases were floating population in Shenzhen. The major route of transmission was sexual contact which shows an upward trend. Great importance should be attached to the same-sex transmission.The control and prevention of HIV/AIDS in the near future should include preventing the transmission through sexual contacts,preventing the second transmission,and strengthening the control of HIV/AIDS among MSM and migrant population.