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: Pharmacology
An influenza is treated by- 
Select and explain. 
A. Amantadine, B. Ribavarin, C. Interferon, D. Oseltamivir
D: Oseltamivir
Answer: D: Oseltamivir 
Explanation: Ans. is 'd' i.e., Oseltamivir o An influenza or bird flu is a contagious disease of animal caused by viruses that normally infect only birds and less commonly pigs. o On rare occaions, an influenza viruses cross the species barrier to infect humans. o Two drugs are commonly used for an influenza :- i) Oseltamivir, ii) Zonamivir o Both of these are neuraminidase inhibitors.