This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rickettsial Diseases, Subject name: Social & Preventive Medicine
Scrub typhus is caused by - 
Select and explain. 
A. R typhi, B. R Akari, C. R prowazekii, D. R tsutsugamushi
D: R tsutsugamushi
Answer: D: R tsutsugamushi 
Explanation: Ans. is 'd' i.e., R tsutsugamushi o Has been explained in previous years