TTV是一种新发现的病毒 ,目前对其流行病学的了解尚不充分。虽然对 TTV的传播方式进行了大量研究 ,但认识尚不一致。一般认为 TTV可经血液等途径传播 ,但大量研究表明 ,TTV还可通过其它途径传播本文对近年来与性接触传播有关的各种人群 TTV检测结果进行分析 ,并对 TTV经性接触传播的研究进展进行综述 TTV is a newly discovered virus whose current understanding of epidemiology is not yet sufficient. Although a great deal of research has been conducted on the way TTV is transmitted, its understanding is still not consistent. TTV is generally believed to be transmitted by blood and other means, but a large number of studies have shown that TTV can also be transmitted by other means.This paper analyzes the results of TTV in various population related to sexual contact transmission in recent years, and studies the transmission of TTV by sexual contact Progress is reviewed