This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Soil may act as reservoir for all except- \nSelect and explain. \nA. Brucellosis, B. Anthrax, C. Tetanus, D. Coccidiomycosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Reservoir of infection of brucellosis: Main reservoirs of human infection are cattle, sheep, goats, swine, buffaloes, horse and dogs Cross infection can occur between animal species The animals may remain infected for life. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 317", 'role': 'assistant'}]