This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Tick born relapsing fever is/are caused by - 
Select and explain. 
A. Borrelia recurrentis, B. Borrelia duttonii, C. Borrlia burgdorferi, D. All
B: Borrelia duttonii
Answer: B: Borrelia duttonii 
Explanation: Ans. is 'b' i.e., Borrelia duttonii