Methods Behavior surveillances questionnaire was conducted by face-to-face interview among different resource MSM, including from park, bar, bathing room, or those who seldom go to public place.

• 方法每年以面对面访问的方式对昆明市经常到公园、酒吧、浴室，以及通过志愿者网络对较少到公共场所活动的男男性行为者(MSM)进行艾滋病行为监测调查。