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目的监测估计四川省吸毒人群艾滋病(HIV)新发感染率。方法收集2007-2012年四川省13个吸毒人群监测哨点HIV筛查阳性样本,进行蛋白印迹法(Western Blot,简称WB)确证检测,对其中阳性样本排除既往感染后,进行BED方法检测,进而计算各地区和全省新发感染率。结果 2007-2012年四川省吸毒哨点HIV新发感染率分别为7.62%、3.45%、2.92%、1.57%、1.52%和1.17%,其中累计存活HIV/AIDS大于2万(人群感染率大于5‰)的高流行地区连续6年新发感染率为24%、7.81%、15.56%、8.05%、10.12%和6.21%。结论四川省吸毒人群HIV新发感染率逐年下降,但是高流行地区HIV流行形式依然严峻,可以认为全省综合防治工作已取得相当成效,但重点地区仍需持续加强工作力度。
Objective To monitor and estimate the new HIV infection rate among drug users in Sichuan Province. Methods Positive HIV screening samples from 13 drug abusers in sentinel sites in Sichuan Province during 2007-2012 were collected and confirmed by Western Blot (WB). The positive samples were tested for BED after eliminating the previous infection. Calculate the new infection rates in all regions and the province. Results The rates of new HIV infections in drug addicts in Sichuan Province during 2007-2012 were 7.62%, 3.45%, 2.92%, 1.57%, 1.52% and 1.17%, respectively, of which cumulative cumulative HIV / AIDS was more than 20,000 (population infection rate was more than 5 The prevalence of new infections in high endemic areas for 6 consecutive years was 24%, 7.81%, 15.56%, 8.05%, 10.12% and 6.21%, respectively. Conclusions HIV prevalence among drug users in Sichuan Province has been declining year by year. However, HIV epidemics in high prevalence areas are still severe. It can be concluded that the comprehensive prevention and control work in the province has achieved remarkable results, but the key areas need to continue to intensify their efforts.