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
Which of the following disease is transmitted by phlebotomus argentipes - 
Select and explain. 
A. Epidemic typhus, B. Kala-azar, C. Relapsing fever, D. Trench fever
B: Kala-azar
Answer: B: Kala-azar 
Explanation: Kala-azar by Sandfly Trypanosomiasis African - Tsetse fly American (Chagas) - Triatomine bug Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 836