Borrelia hermsii

Bor·rel·i·a herm·si·i

a bacterial species found as a cause of relapsing fever in British Columbia, California, Colorado, Idaho, Nevada, Oregon, and Washington; transmitted by a tick, Ornithodoros hermsi.

Borrelia hermsii

The species of gram-negative spirochetes which may cause endemic tick-borne or epidemic louse-borne relapsing fever.