This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Influenza, Subject name: Social & Preventive Medicine
Not used for treatment and/or prophylaxis of seasonal influenza - 
Select and explain. 
A. Amantidine, B. Rimantidine, C. Oseltamivir, D. Acyclovir
D: Acyclovir
Answer: D: Acyclovir 
Explanation: Ans. is 'd' i e., Acycloviro Two classes of antiviral drugs are available for the treatment and prevention of influenzai) Neuraminidase inhibitors: Zanamivir, Oseltamivir, peramivirii) Adamantanes: Amantidine, rimantidine