中文摘要：

目的：了解珠海地区的男男性行为者（MSM）对人类免疫缺陷病毒（HIV）/梅毒知识知晓、安全套使用等其他行为因素及 HIV/梅毒的感染状况,为制定干预措施提供依据。方法利用同志网络社区匿名招募 MSM,在艾滋病自愿咨询检测（VCT）门诊现场咨询填写问卷,采集血样进行 HIV、梅毒抗体检测,对符合要求的247份调查表和检测结果进行统计分析。结果247份标本共确证 HIV 抗体阳性20例,感染率为8.10%,梅毒特异性抗体阳性33例,阳性率为13.36%,梅毒非特异性抗体阳性26例,梅毒现症感染率为9.72%,此类人群存在知识与行为反差的现象普遍,多性伴者 HIV 和梅毒感染率更高,差异有统计学意义（P〈0.05）。结论珠海地区 MSM 人群 HIV 和梅毒的感染率较高,高危性行为特征致其感染 HIV 和梅毒的风险较大,应加大该人群筛查和健康教育力度,尽早发现传染源,阻断传播桥梁,寻找有效促进其风险意识的建立和转化为具体行为的措施。

英文摘要：

Objective To learn the awareness rate of HIV/Syphilis knowledge,condom usage,group behaviors and the infections among men who have sex with men （MSM）in Zhuhai and provide scientific foundation for preparing control measures.Methods The internet community was used for calling MSM to join the research.A MSM survey questionnaire was used to collect messages in the place of HIV Voluntary Counseling ＆amp; Testing（VCT）.The blood samples were collected to proceed biological detection.Results Total 247 MSMs were tested,positive rates of HIV,TP specific antibody and non-specific antibody were 8.10% （20/247）, 13.36%（33/247）and 10.72% （24/247）.The separation between cognition and behavior was common existed in such population. HIV/syphilis infection rates were significant different between MSMs who had multiple sexual partners and those who did not. Conclusion Because the high risk behaviors are commonly existed among MSM in Zhuhai,the prevalence rates of HIV/Syphilis in them are high.It is necessary promote the screening of HIV/Syphilis,enhance the health education of disease control and block the transmission to develop a safe awareness and behaviors in MSM.