This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Which of the following is not used in post-exposure prophylaxis for HIV? \nSelect and explain. \nA. Zidovudine + Laniivudine, B. Nelfinavir, C. Stavudine + Didanosine, D. Acyclovir', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Acyclovir is a potent and selective inhibitor of the replication of ceain Herpes viruses, including HSV types 1 and 2, VZV, EBVOther drugs given in the question are antiretroviral drugs used in HIV(Ref: KD Tripathi 6/e p776)', 'role': 'assistant'}]