This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Q fever is caused by which Rickettsial Agent \nSelect and explain. \nA. R. prowazekii, B. R. tsutsugamushi, C. C. burnetii, D. Rochalimaea quintana', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The causative agent is Coxiella burnetii. It is found in ticks which act as vectors as well as reservoir Ref:Pg No:328; Park 25th Edition', 'role': 'assistant'}]