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': 'A resident sustained a needlestick injury while sampling blood of a patient who is HIV positive. A decision is taken to offer him post-exposure prophylaxis. Which one of the following regimens would be the best recommendation? \nSelect and explain. \nA. Zidovudine+Lamivudine for 4 weeks, B. Zidovudine+Lamivudine+Nevirapine for 4 weeks, C. Lopinavir+Ritonavir for 4 weeks, D. Zidovudine+Lamivudine+Indinavir for 4 weeks', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Recommended post-exposure prophylaxis is a combination of Lopinavir+Ritonavir for 4 weeks. NACO recommended PEP regimen : Dosages of the drugs for PEP for adults Recommendation for PEP Duration Tenofovir (TDF) 300 mg + Lamivudine(3TC) 300 mg (FDC) One tab Immediately within 2 hours of accidental exposure,from next day one tab once OD, 4 weeks Lopinavir (200 mg) + Ritonavir (50 mg) (FDC) Two Tab Immediately within 2 hours of accidental exposure,from next day two-tab BD, 4 weeks Reference: Ananthanarayan and Paniker&;s Textbook of Microbiology Tenth edition', 'role': 'assistant'}]