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
A man present with fever, chills 2 weeks after a louse bite. There was maculopapular rash on the trunk which spread peripherally. The cause of this infection can be - 
Select and explain. 
A. Scrub typus, B. Endemic typhus, C. Rickettsial pox, D. Epidemic typhus
D: Epidemic typhus
Answer: D: Epidemic typhus 
Explanation: None