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': "Zoonosis is/are - \nSelect and explain. \nA. Anthrax, B. Brucella, C. Leptospirosis, D. Chaga's disease", 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p> Anthrax is an eg for zoonoses. Zoonoses means an infection or infectious disease transmissible under natural conditions from veebrate animals to man. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:94. <\\p>', 'role': 'assistant'}]