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: Social & Preventive Medicine
[{'content': 'Chikungunya is transmitted by ? \nSelect and explain. \nA. Aedes, B. Culex, C. Mansonoides, D. Anopheles', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Aedes", 'role': 'assistant'}]