This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following disease is transmitted by phlebotomus argentipes - \nSelect and explain. \nA. Epidemic typhus, B. Kala-azar, C. Relapsing fever, D. Trench fever', 'role': 'user'}, {'content': "Answer: B \nExplanation: Kala-azar by Sandfly Trypanosomiasis African - Tsetse fly American (Chagas) - Triatomine bug Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 836", 'role': 'assistant'}]