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': 'WHO criteria for High endemicity for meningococcal disease include - \nSelect and explain. \nA. 0 .1%, B. 0 .01%, C. 0.00%, D. 1.00%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: WHO Classification of Meningococcal areas:\n\nLow endemicity: < 2 cases per 100,000 population per year\nModerate endemicity: 2-10 cases per 100,000 population per year\nHigh endemicity: > 10 cases per 100,000 population per year (0.01%)\nEpidemic: > 100 cases per 100,000 population per year (0.1%)', 'role': 'assistant'}]