Leptospirosis is an infectious disease caused by a spirochaete. Symptoms include liver and kidney failure and vasculitis.

钩端螺旋体种由螺旋菌引起的传染。状有肝脏、省脏衰竭和血管。

Lyme disease is a disease caused by Borrelia burgdorferi, a spirochaete, and spread by ticks of the genus Ixodes.

种由伯氏疏螺旋体引起的疾，由硬蜱属的蜱类传播。