This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Pediatrics
[{'content': 'Prophylactic dose of Oseltamivir for infants is? \nSelect and explain. \nA. 1 mg/kg/day, B. 3 mg/kg/day, C. 5 mg/kg/day, D. 7 mg/kg/day', 'role': 'user'}, {'content': 'Answer: B \nExplanation: CDC recommendations for H1N1 prophylaxis: NOTE : FOR TREATMENT ; DOSAGE IS BD FOR PROPHYLAXIS ; DOSAGE IS OD Oral oseltamivir for treatment of influenza Age Weight Dose Frequency Duration <1yr 3mg /kg* Twice daily* 5 days* >1yr <15kg 30mg 15-23kg 45mg 23-40kg 60mg >40kg 75mg* Oral oseltamivir for Chemoprophylaxis 3 months-1yr 3mg /kg* once daily* 7 days* >1yr <15kg 30mg 15-23kg 45mg 23-40kg 60mg >40kg 75mg*', 'role': 'assistant'}]