This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology Pa-2 (RNA Virus Pa-1,2 & Miscellaneous Viruses), Subject name: Microbiology
A 15-year-old girl was admitted to the infectious disease hospital with a provisional diagnosis of rabies. What is the shape of this virus? 
Select and explain. 
A. Brick shape, B. Icosahedral shape, C. Bullet shape, D. Rod shape
C: Bullet shape
Answer: C: Bullet shape 
Explanation: Structure of Rabies Virus: Rabies virus is bullet-shaped 180 x 75 nm, with one end rounded or conical and the other planar or concave. Rabies is a RNA virus. Shapes of various Viruses: Rabies - Bullet Ebola virus - Filamentous Poxvirus - Brick Tobacco mosaic virus - Rod shaped Adeno & Picorna, Reo, Retrovirus - Icosahedral Ohomyxovirus- Spherical or Elongated Paramyxovirus - Pleomorphic Coronavirus - Pleomorphic