This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Q fever is caused by? \nSelect and explain. \nA. Rickettsia typhi, B. Rochalimea Quintana, C. Coxiella burnetii, D. Rickettsia ricketssi', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) Coxiella burnetiiREF: Harrison\'s 17ed table 167.1Q fever is caused by "Coxiella burnetii" by Inhalation of aerosols of infected parturition material (sheep, dogs, others), ingestion of infected milk or milk product.', 'role': 'assistant'}]