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': 'Isolation period, false is - \nSelect and explain. \nA. Chicken pox - 6 days after onset of rash, B. Herpes zoster - 6 days after onset of rash, C. Measles - up to 3 days after onset of rash, D. German measles - 7 days after onset of rash', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., German measles - 7 days after onset of rash", 'role': 'assistant'}]