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': 'True about chicken pox ? \nSelect and explain. \nA. Caused by Human Herpes Virus-3, B. Scab is infective, C. Rash is deep seated, D. SAR is 70%', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Caused by Human Herpes Chickenpox is caused by varicella zoster virus (Human Herpes Virus-III or Herpes simplex type-III).", 'role': 'assistant'}]