This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': "Weil's disease may be transmitted by: September 2004 \nSelect and explain. \nA. Rat bite, B. Rat flea bite, C. Contact with water contaminated by rat urine, D. Respiratory route through secretion of patients", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Contact with water contaminated by rat urine', 'role': 'assistant'}]