The resulting larvae infect vertebrates (most commonly, humans and bovines) primarily via skin contact with water.The larvae then sexually reproduce within the host, which expels the eggs in feces.

• 离开蜗牛的尾蚴，接下来则会在脊椎动物（通常是人和牛）接触水的时候，进入其体内，然后就在寄主体内行有性生殖，并将卵产在寄主的排泄物中。