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': 'Crimean Congo hemorrhagic fever vector: \nSelect and explain. \nA. Brucella suis, B. Hyalomma tick, C. Brucella abortus, D. Brucella canis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. Hyalomma tickCRIMEAN CONGO HEMORRHAGIC FEVERCausative agent: NairovirusVector: Hyalomma TickIP: 1-13 days (Median 5-6 days)Other three options are causative agent for Brucellosis.', 'role': 'assistant'}]