This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Incubation period of HBV is - \nSelect and explain. \nA. 45 to 180 days, B. 6 to 60 days, C. 10 days, D. 10 hrs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Incubation periodof HBV is 1-6months REF:<\\p> ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.542', 'role': 'assistant'}]