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 acts as a source as well as reservoir for \nSelect and explain. \nA. Rabies, B. Tetanus, C. Typhoid, D. Measles', 'role': 'user'}, {'content': "Answer: B \nExplanation: Natural habitat of Clostridium Tetani is soil and dust. The bacilli are found in the intestine of many herbivorous animal eg cattle, horses, goats and sheep Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 339", 'role': 'assistant'}]