摘要青少年及青年正处于由儿童向完备成年人转变的阶段，性生理趋于成熟，而性心理尚不完善，具有特有的生理与心理特点，易于发生不安全性行为，从而增加了自身感染HIV的风险。青少年及青年中存在较多的易感因素，近年来HIV感染新报告病例数逐年上升，引起了多方面的关注。本文从青少年及青年HIV感染现状、感染与发现途径、易感因素3个方面综述，为降低青少年及青年HIV感染风险提供参考依据。

abstractsAdolescents and young adults are getting to becoming full-fledged adults, along with the maturity of physical bodies, the mentality is going to be matured. Adolescents and young adults are prone to unsafe sexual conducts which may lead to higher risks of HIV. The number of HIV newly reported cases has been increasing in adolescents and young adults and has attracted attention by people from all walks of life. This paper reviews the current status of HIV infection, routes of transmission, ways of case-finding and risk factors related to the susceptibility of HIV etc.,aiming to provide evidence for reducing the risk of HIV infection in adolescents and young adults.