1995-2011年南充市艾滋病疫情监测分析

Epidemiological Surveillance on HIV/AIDS in Nanchong,1995-2011

目的探讨南充市HIV／AIDS流行特征，分析影响因素，为制定防治措施及对策提供科学依据。方法收集南充市1995—2011年HIV／AIDS病例报告，以及近年来的哨点监测等资料进行统计分析。结果1995—2011年累计报告HIV／AIDS771例，年平均报告增长速度为34．49％，以男性为主，男女发病比例为2．55：1；年龄分布以20～49岁组为主，占79．64％，且近年来，艾滋病疫情出现向高年龄段发展趋势；传播途径以性传播为主，占76．52％，其中同性传播增长较快，占8．56％。各类人群的HIV监测中，男男性行为人群检出率从2008年的3．07％上升到2011年的12．00％。结论南充市的艾滋病疫情呈快速上升趋势，性传播已成为最主要传播途径，男男同性传播途径成为一个不容忽视的因素。

Objective To explore the epidemic characteristics of HIV/AIDS in Nanchong, and to analyze the influential factors so as to put forward scientific basis for establishing prevention and control measures. Methods Reported cases of HIV/AIDS in Nanchong from 1995 to 2011 were collected and the sentinel data in recent years were analyzed with statistical methods. Results From 1995 to 2011, there were 771 HIV/AIDS cases were reported with an annual growth rate of 34.49%. Male cases were more than female ones, with a gender ratio of 2.55 ： 1. The age distribution mainly ranged from 20 to 49 years old and accounted for 79.64% of the total. The dominant transmission mode was by sex and accounted for 76.52% ; among which the homosexual transmission cases increased quickly and accounted for 8.56% of the total. The MSM detected rate increased from 3.07% in 2008 to 8.81% in 2011. Conclusion The HIV/AIDS epidemic status had worsened rapidly in Nanchong through 1995 to 2011. The major transmission path was by sex and male homosexual transmission gradually became an indispensable factor.