Objective To identify pathogenesy of leptospirosis in Guangxi,to know the lethal factor and its dependabllity factors so as to draw off strategies for leptospirosis control.

• 目的为了解广西钩端螺旋体病的发病机制,掌握钩端螺旋体致死因素及其相关性因素,提出钩端螺旋体病的防治对策。