Answer: Spirochetes
Explanation:
Spirochete refers to or known as any of the group of a spiral-shaped bacteria, some of them are known to be serious pathogens which can cause disease such as yaws, syphilis, Lyme and the relapsing fever.Some of the examples of the genera of spirochetes tends to include Treponema, Spirochaeta, Borrelia, and also Leptospira.