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': 'Disease spread by hard tick is: September 2007 \nSelect and explain. \nA. Rocky mountain spotted fever, B. Epidemic typhus, C. Murine typhus, D. Scrub typhus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Rocky mountain spotted fever Hard Tick-borne diseases of concern include: Human Babesiosis is a protozoan infection that occurs infrequently. Babesiosis also have Lyme disease from the same deer tick bite. Rocky Mountain spotted fever. Tularemia is a potentially serious illness. It is caused by the bacterium rodents, rabbits, and hares). Viral hemorrhagic fever Tick paralysis Colarado tick fever Viral encephalitis', 'role': 'assistant'}]