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: Microbiology
[{'content': 'Serological testing of patient shows HBsAg, IgM anti-HBc and HBeAg postive. The patient hase - \nSelect and explain. \nA. Chronic hepatitis B with low infectivity, B. Acute hepatitis B with high infectivity, C. Chronic hepatitis with high infectivity, D. Acute on chronic hepatitis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Acute hepatitis B with high infectivity", 'role': 'assistant'}]