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目的分析兰州市男男性接触人群(MSM)艾滋病(AIDS)流行特点和流行趋势,为制定该人群艾滋病预防和控制策略提供科学依据。方法采用MSM志愿者“滚雪球”的方法对200名出入酒吧和洗浴场所的男男性接触者进行问卷调查及血清学检测。结果联合国大会艾滋病特别会议(United Nations General Assembly Special Session on HIV/AIDS,UNGASS)指标知晓率为37.0%;共发现人类免疫缺陷病毒(HIV)感染者14例,感染率为7.0%,梅毒25例,感染率为12.5%;最近半年发生肛交性行为的比例为78.7%,最近一次安全套使用率为76.4%,安全套坚持使用率为49.0%;性伴数半年内少则1人,多则40人。结论兰州市男男性接触人群HIV感染率呈现快速增长趋势,与HIV感染相关联的梅毒感染率也很高,安全套使用率不高,应该加大MSM人群艾滋病预防知识宣传和高危行为干预的力度。
Objective To analyze the epidemiological and epidemic trend of AIDS in men who have sex with men (MSM) in Lanzhou and provide a scientific basis for formulating AIDS prevention and control strategies. Methods The MSM volunteers “snowball ” method was used to conduct questionnaire survey and serological test on 200 male and female sex workers in bar and bathing place. Results The awareness rate of the United Nations General Assembly Special Session on HIV / AIDS (UNGASS) was 37.0%. A total of 14 cases of human immunodeficiency virus (HIV) infection were found, with an infection rate of 7.0% and 25 cases of syphilis , And the infection rate was 12.5%. In the recent six months, the rate of anal intercourse was 78.7%, the rate of condom use was 76.4%, that of condoms was 49.0%, that of sexual partners was less than 1 in half a year and 40 . Conclusion The prevalence of HIV infection among men who have sex with men (MSM) in Lanzhou City is increasing rapidly. The infection rate of syphilis associated with HIV infection is also high, and the rate of condom use is not high. Therefore, it is necessary to increase awareness of HIV prevention and MSM intervention in MSM population.