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': 'As per WHO, spleen rate 11-50% is classified as: \nSelect and explain. \nA. Holoendemic, B. Hyperendemic, C. Mesoendemic, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Spleen rate in children Hypoendemic <10% Mesoendemic 11-50% Hyperendemic >50% Holoendemic >75% Ref: National Health Programmes in India, J.Kishore, 10th edition pg: 365', 'role': 'assistant'}]