并行性多性伴行为与艾滋病病毒传播之间的关系

Concurrent sexual partnerships and hunan immunodefieiency virus epidemic

并行性多性伴是指一个人同时有两个以上的性伴，且这些性伴在时间上相互重叠。近年来，并行性多性伴由于其在艾滋病异性传播中所起到的关键作用逐渐引起各国重视，特别是在以异性传播为主的南部非洲。既往研究表明，并行性多性伴行为发生率的下降会在一定程度上减弱艾滋病的传播与蔓延。此文就并行性多性伴的定义、影响因素及其与艾滋病的关系等问题作了综述。

Concurrent sexual partnerships is that one person has overlapping sexual relations with more than one persons. Recent years, the role of concurrent sexual partnerships attract attention of research for its recognition as important effect for the transmission of sexually transmitted infection. Modeling and empirical evidence suggest, concurrent partnerships can increase the size and speed of an HIV epidemic. In this article, definitions of concurrency, the intluent factor and its relations to AIDs are reviewed.