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目的根据四川凉山彝族自治州(凉山州)2013年吸毒人群、女性阳性者子女、阳性者配偶或性伴、孕产妇和临床病人艾滋病病毒(HIV)的感染状况,估算新发感染率。方法对凉山州2013年病例报告新发现的所有HIV-1感染者样本进行BED-CEIA HIV IgG捕获酶免疫测定法(BED HIV-1 incidence capture enzyme immunoassay,BED-CEIA)检测,并结合流行病学背景资料,估算多类监测人群的HIV新发感染率。结果在五类人群中,吸毒人群的HIV感染率和新发感染率均处于最高水平,分别为2.94%和1.65%;其次是女性阳性者子女,HIV感染率和新发感染率分别为2.23%和1.25%;阳性者配偶或性伴的HIV感染率为0.93%,新发感染率为0.26%;临床病人的HIV感染率为0.51%,新发感染率为0.31%;孕产妇的HIV感染率和新发感染率最低,分别为0.39%和0.25%。结论吸毒人群仍然是凉山州艾滋病防控的重点人群,同时也应关注艾滋病病毒的家庭内传播,尤其是母婴传播,在凉山州艾滋病已从高危人群蔓延到一般人群,艾滋病防控的力度和广度应继续加强。
Objectives To estimate the prevalence of new infections based on the prevalence of HIV among drug users, female-positive children, positive spouses or partners, pregnant women and clinical patients in Liangshan Yi Autonomous Prefecture (Liangshan Prefecture) in Sichuan Province in 2013. Methods BED-CEIA HIV IgG capture enzyme immunoassay (BED-CEA) was used to detect all the newly discovered HIV-1 infected patients in Liangshan Prefecture in 2013 and combined with epidemiology Background information to estimate rates of new HIV infections in various types of surveillance population. Results Among the five groups of people, the HIV infection rate and the new infection rate of drug addicts were at the highest level, accounting for 2.94% and 1.65% respectively. The second was the female children with HIV infection rate and the new infection rate were 2.23% And 1.25% respectively. HIV positive rate was 0.93% for spouse or sexual partner, 0.26% for new infection, 0.51% for clinical patients and 0.31% for newly diagnosed cases. HIV infection rate among pregnant women And the lowest rates of new infections were 0.39% and 0.25% respectively. Conclusion The population of drug addicts is still the key population of AIDS prevention and control in Liangshan Prefecture. At the same time, it should also pay attention to the spread of HIV in the home, especially mother-to-child transmission. AIDS in Liangshan Prefecture has spread from high-risk groups to the general population. Breadth should continue to strengthen.