This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and Health, Subject name: Social & Preventive Medicine
Causative agent of relapsing fever is? 
Select and explain. 
A. Borrelia recurrentis, B. Bordetella pertussis, C. Bacillus anthracis, D. Bartonella henselae
A: Borrelia recurrentis
Answer: A: Borrelia recurrentis 
Explanation: ANSWER: (A) Borrelia recurrentisREF: Jawetz 24th ed chapter 25, Medical entomology for students by 4th edition Page 220 See details of TICK-BORNE RELAPSING FEVER in Community Medicine December 2010Epidemic relapsing feverLouseBorrelia recurrentisEndemic relapsing feverSoft tick (genus Ornithodoros)Borrelia duttoni Borrelia hermsii Borrelia parkeri Borrelia turicatae