This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
[{'content': 'Vector of Crimean Congo Hemorrhagic fever:- \nSelect and explain. \nA. Brucella suis, B. Hyalomma tick, C. Brucella abous, D. Brucella Canis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ixodid (hard) ticks, especially those of the genus, Hyalomma, are both a reservoir and a vector for the CCHF virus. Numerous wild and domestic animals, such as cattle, goats, sheep and hares, serve as amplifying hosts for the virus. Transmission to humans occurs through contact with infected ticks or animal blood. CCHF can be transmitted from one infected human to another by contact with infectious blood or body fluids. Documented spread of CCHF has also occurred in hospitals due to improper sterilization of medical equipment, reuse of injection needles, and contamination of medical supplies.', 'role': 'assistant'}]