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目的了解2006～2011年凉山州吸毒哨点人群中HIV-1新发感染情况。方法对2006、2008、2009、2010、2011年在吸毒哨点人群中采集的4103份有效样本,进行HIV检测,初筛阳性的样本经免疫印迹法(WB)证实后,进行BED检测,评估HIV-1的新发感染率。结果通过对4103份样本的检测,发现2006、2008、2009、2010、2011年的HIV-1感染率和新发感染率分别为:22.4%和6.89%、29.6%和8.92%、26.2%和13.22%、21.5%和8.05%、23.4%和10.12%。结论 2006～2011年,凉山州吸毒人群HIV-1感染率居高不下,而且新发感染率有上升趋势,提示凉山州吸毒人群艾滋病流行形势严峻,需加大防控力度。
Objective To understand the new HIV-1 infection among drug addicts in Liangshan Prefecture from 2006 to 2011. Methods A total of 4103 valid samples collected from drug addicts in 2006, 2008, 2009, 2010 and 2011 were collected and tested for HIV. After primary screening positive samples were confirmed by Western blotting (WB), BED was tested to evaluate HIV -1 new infection rate. Results Based on 4103 samples, the rates of HIV-1 infection and new infections in 2006, 2008, 2009, 2010 and 2011 were 22.4% and 6.89%, 29.6% and 8.92%, 26.2% and 13.22, respectively %, 21.5% and 8.05%, 23.4% and 10.12% respectively. Conclusion From 2006 to 2011, the HIV-1 infection rate among drug users in Liangshan Prefecture was high, and the rate of new infections was on the rise. This indicated that the prevalence of HIV / AIDS among drug users in Liangshan Prefecture was severe, and prevention and control should be strengthened.