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目的分析成都口岸出入境人员艾滋病病毒(HIV)感染者的流行病学特征和危险因素,掌握成都口岸艾滋病流行情况,为更好管理口岸出入境艾滋病防控工作提供依据。方法对2010-2014年在四川国际旅行卫生保健中心体检的出入境人员进行HIV监测,采用酶联免疫吸附试验进行初筛,确证采用蛋白印迹法。检出的HIV阳性者,采用回顾性调查方法进行流行病学分析。结果 2010-2014年,成都口岸共监测出入境人员165 253人,检出HIV感染者98例(0.059%)。41~50岁年龄组、外派劳务人员、非成都本地常住人口感染率最高。经性传播(72.5%)为出入境人员HIV感染的主要途径,同性性行为构成比增加。结论成都口岸出入境人员HIV感染者年检出率基本保持稳定,中青年外派劳务人员为HIV监测重点人群,留学生感染人数有所上升,不洁性接触是主要危险因素。
Objective To analyze the epidemiological characteristics and risk factors of HIV among people entering and exiting in Chengdu Port and to find out the prevalence of HIV / AIDS in Chengdu Port, so as to provide the basis for better management of exit and entry HIV / AIDS prevention and control at ports of entry. Methods HIV surveillance was performed on entry and exit medical personnel in Sichuan International Travel Health Care Center from 2010 to 2014. ELISA was used to carry out primary screening, confirming the use of Western blotting. HIV-positive were detected by retrospective survey of epidemiological analysis. Results From 2010 to 2014, a total of 165 253 immigrants were monitored at Chengdu port, 98 of whom (0.059%) were HIV-infected. 41 to 50 age group, foreign labor service personnel, non-Chengdu local resident population highest infection rate. Sexual transmission (72.5%) is the main route of HIV infection among persons entering and exiting the country, and the proportion of homosexual behaviors increases. Conclusion The annual detection rate of HIV-infected persons entering and exiting the border area in Chengdu basically remained stable. The number of young and middle-aged laborers dispatched was the key HIV monitoring population, and the number of international students increased. The unclean sexual contact was the main risk factor.