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: Medicine
[{'content': 'In HIV infection the prophylaxis for pneumocystis jiroveci may be stopped after HAA if the CD4 count persists more than 200 for what duration? \nSelect and explain. \nA. 1 month, B. 2 month, C. 3 month, D. 6 month', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pneumocystis jiroveci - Prophylaxis should be staed if the patient has 1. CD4+ T cell count OR 2. Oropharyngeal candidiasis OR 3. Prior bout of PCP DRUG used: Trimethoprim/sulfamethoxazole (TMP/SMX), 1 double strength tablet once daily The prophylaxis may be stopped if CD4+ T cell count >200 for 3 months Ref: Harrison, Edition-18, Page-1544.', 'role': 'assistant'}]