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': 'All are true about Dengue hemorrhagic fever except \nSelect and explain. \nA. Lamivudine is drug of choice, B. Malnutrition is protective, C. Transmitted by Aedes, D. Causative agent belongs to Flaviviradae group', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Moderate to severe protein energy malnutrition reduces risk of DHF/DSS in dengue-infected children\nTreatment of DHF: None specific\n\n– Paracetamol\n– ORS, Oral fluids\n– I/V fluids, IV colloids\n– Blood transfusion', 'role': 'assistant'}]