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': 'Most impoant strategy for control of malaria in endemic area - \nSelect and explain. \nA. Early treatment of case, B. Chemoprophylexis, C. Vector control, D. Elimination of plasmodium', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Vector control", 'role': 'assistant'}]