This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Isolation is strictly recommended for \nSelect and explain. \nA. Mumps, B. Measles, C. Hepatitis A, D. Pneumonic plague', 'role': 'user'}, {'content': "Answer: D \nExplanation: Isolation has a distinctive role in the control of some infectious diseases Diphtheria Cholera Streptococcal respiratory disease Pneumonic plague Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 132", 'role': 'assistant'}]