2010—2016年重庆市男男性接触人群血清学检测结果分析

Serological test results analysis of men who have sex with men in Chongqing from 2010 to 2016

目的调查重庆市男男性接触人群(MSM)人类免疫缺陷病毒(HIV)、丙型肝炎病毒(HCV)及梅毒流行情况,为艾滋病综合防治提供信息和依据。方法采用同伴推动抽样方法(RDS)、滚雪球等方法招募对象,并对招募对象进行HIV、HCV及梅毒检测。结果 2010-2016年分别招募1 384、400、462、1 066、1 262、1 440、1 445例MSM。HIV阳性率分别为10.3%、11.8%、18.8%、21.2%、26.0%、23.4%和25.6%,梅毒阳性率分别为6.2%、4.5%、2.8%、2.9%、7.1%、5.8%和7.0%,HCV分别为0.6%、0.3%、0.2%、0.3%、0.3%、0.3%和0.4%。2010-2016年HIV感染率呈快速上升趋势(Z=11.84,P<0.001),7年来HCV和梅毒感染率均维持较低水平(Z=-0.582 4,P=0.560 3;Z=1.902 9,P=0.057 1)。结论重庆市MSM人群中HIV感染率呈现不断上升的趋势,加强对该人群的宣传教育、动员检测和安全套推广为核心的综合干预将是以后艾滋病防治工作的重点。

Objective To investigate the epidemics of human immunodeficiency virus（HIV）,hepatitis C virus（HCV）and syphilis among men who had sex with men（MSM）in Chongqing,and to provide basic information and scientific basis for HIV control and prevention.Methods Respondent-driven sampling（RDS）and snowballing methods were used to recruit the sampling groups,then HIV,HCV and syphilis serological test were performed.Results There were 1 384,400,462,1 066,1 262,1 440 and 1 445 MSM volunteers were sampled from 2010 to 2016.The prevalence rates of HIV were 10.3%,11.8%,18.8%,21.2%,26.0%,23.4%and 25.6%,respectively.The prevalence rates of syphilis were 6.2%,4.5%,2.8%,2.9%,7.1%,5.8% and7.0%,respectively.The prevalence rates of HCV were 0.6%,0.3%,0.2%,0.3%,0.3%,0.3% and 0.4%,respectively.The infected rate of HIV from 2010 to 2016 showed a trend of rapid rise（Z=11.84,P〈0.001）.and the rates of HCV and syphilis stayed at lower levels（Z=-0.582 4 and 1.902 9,P=0.560 3 and0.057 1）.Conclusion The HIV infection rate in MSM people increases rapidly from 2010 to 2016.The focus of AIDS prevention and control are to strengthen the health education,mobilize MSM to detect and popularize the use of condoms.