Mayo Clinic Care Network Content
Articles

Guide to different tick species and the diseases they carry

Soft ticks

Soft ticks are a different type of tick from the black-legged tick or Lone Star tick. Soft ticks have soft, leathery bodies and bite for only short periods of time.

Soft ticks mainly bite rodents. But soft ticks also bite humans if they are nearby. Bites often happen when a person sleeps in a shelter or cabin where rodents have made nests.

One example of a soft tick is Ornithodoros hermsi. It is found at higher altitudes in the Western U.S. This tick, as well as other soft ticks, can spread borrelia bacteria to hosts and cause tick-borne relapsing fever.