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': 'Sero conversion in HIV In fection takes place in - \nSelect and explain. \nA. 2 weeks, B. 4 weeks, C. 9 weeks, D. 12 weeks', 'role': 'user'}, {'content': 'Answer: B \nExplanation: sero conversion is seen in acute HIV infection(within 3-6 weeks) REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.575', 'role': 'assistant'}]