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: Social & Preventive Medicine
Scrub typhus caused by R-tsutsugamushi is transmitted by? 
Select and explain. 
A. Flea, B. Chigger, C. Tick, D. Mosquito
B: Chigger
Answer: B: Chigger 
Explanation: Ans. is 'b' i.e., ChiggerScrub typhus is the most widespread Rickettsial disease.It is caused by R. tsutsugamushi (orientia tsutsugamushi) and the vector of its transmission is trombiculid mite (Leptotrombidium delinese and L. akamushi).