This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
[{'content': 'Kala-azar is found in all endemic areas, except:- \nSelect and explain. \nA. West Bengal, B. UP, C. Bihar, D. Assam', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Kala-Azar is endemic in the following 4 states of India : 1. Bihar 2. Jharkhand 3. West Bengal 4. Uttar Pradesh - This is because of the vector: Phlebotomus argentipes primarily found in these 4 states.', 'role': 'assistant'}]