VMC-0013
QUESTION
Specific proteins which have been isolated from bluetongue virus is?
OPTIONS
(A) VP2
(B) VP5
(C) All of the above
(D) None of the above
ANSWER
(C) All of the above
EXPLANATION
Bluetongue virus (BTV), belonging to the genus Orbivirus and family Sedoreoviridae (formerly classified under Reoviridae), contains several structural proteins. VP2 and VP5 are both outer capsid proteins. VP2 is the major serotype-specific antigen responsible for inducing neutralizing antibodies, while VP5 assists in viral penetration and membrane disruption during cell entry.