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
Brick-shaped virus - 
Select and explain. 
A. Chicken pox, B. Small pox, C. CMV, D. EBV
B: Small pox
Answer: B: Small pox 
Explanation: The virion of small pox is brick shaped REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.463