Relapsing fever
Relapsing fever
Borrelia duttonii (relapsing fever)?
Borrelia recurrentis is a species of Borrelia, a spirochaete bacterium associated with relapsing fever. B. recurrentis is usually transmitted from person to person by the human body louse. Since the 1800s, the body louse has been known as its only known vector. (google images)