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
Baonella quintana causes: 
Select and explain. 
A. Trench fever, B. Scrub typhus, C. Endemic typhus, D. Epidemic typhus
A: Trench fever
Answer: A: Trench fever 
Explanation: Ans. is. 'a' i. e., Trench fever