This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Viral Drugs, Subject name: Pharmacology
TECOVIRIMAT is recently approved anti-viral drug. It is used for against which virus? 
Select and explain. 
A. Small pox, B. Chicken pox, C. Dengue, D. Influenza
A: Small pox
Answer: A: Small pox 
Explanation: TECOVIRIMAT: a. Used for treatment of Small pox (In bioterror attacks) b. Orally administered c. Binds to envelop virus P37 and inhibits extracellular viral forms d. Inhibits transmission