<unk>  is a genus of bacteria of the spirochete class. It is a zoonotic, vector-borne disease transmitted primarily by ticks and some by lice, depending on the species. There are 37 known species of<unk> .
Borrelia
Plasmodium
Ehrlichia
Brucella
Cryptosporidium
Blastocystis
Toxoplasma gondii
Acheiropodia