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
[{'content': 'Scrub typhus caused by R-tsutsugamushi is transmitted by? \nSelect and explain. \nA. Flea, B. Chigger, C. Tick, D. Mosquito', 'role': 'user'}, {'content': "Answer: B \nExplanation: 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).", 'role': 'assistant'}]