This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria), Subject name: Microbiology
Endemic relapsing fever is caused by all except? 
Select and explain. 
A. Borrelia duttonii, B. Borrelia hermsii, C. Borrelia parkeri, D. Borrelia recurrentis
D: Borrelia recurrentis
Answer: D: Borrelia recurrentis 
Explanation: Endemic relapsing fever is caused by Borreliae duttoni,B.hermsii which normally live in their natural host rodents, or in other mammals which the vector takes feed. Borrelia recurrentis causes epidemic relapsing fever. It is also called louse borne relapsing fever. Characteristic corkscrew shaped appearance of Borrelia