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': 'Most common widespread zoonotic disease in the world is - \nSelect and explain. \nA. Rabies, B. Leptospirosis, C. Brucella, D. Anthrax', 'role': 'user'}, {'content': 'Answer: B \nExplanation: <p> Leptospirosis is the most wide zoonotic disease in the world. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:291. <\\p>', 'role': 'assistant'}]