1定义梅毒是由苍白螺旋体所引起的一种慢性传染性疾病。本病几乎可以侵犯全身各个器官,产生多种多样的临床症状和体征。梅毒主要通过性交传染,也可通过胎盘传给下一代发生先天梅毒。为我国法定乙类传染病。2病原体梅毒的病原体为苍白螺旋体,也称梅毒螺旋体。梅毒螺旋体在体外不 1 Definition Syphilis is a chronic infectious disease caused by the pallidum spirochete. The disease can almost invading all organs of the body, resulting in a wide range of clinical symptoms and signs. Syphilis infection mainly through sexual intercourse, but also through the placenta passed to the next generation of congenital syphilis. For our statutory Group B infectious diseases. 2 pathogen syphilis pathogens pale spirochetes, also known as Treponema pallidum. Treponema pallidum is not in vitro