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
Eschar is seen in all the Rickettsial diseases excent: 
Select and explain. 
A. Scrub typhus, B. Rickettsial pox, C. Indian tick typhus, D. Endemic typhus
D: Endemic typhus
Answer: D: Endemic typhus 
Explanation: Ans. is. 'd' i. e., Endemic typhus