Family Reoviridae,Genus Rotavirus
Non-enveloped viruses
75 nanometer indiameter
Icosahedral symmetry
Double-stranded RNA virus (18 kbp)
dsRNA 11 fragments
triple-layered protein capsid
Classification
Based on VP6 protein
VP6 is inner capsid
Group A to G
Group A is the majority cause gastroenteritis in human
Group A (use neutralization)
Based on VP7 protein
G serotype (มี 10 serotypes)
Based on VP4 protein
P serotype (มี 6 serotypes)
VP7 and VP4 induced
neutralizing amtibody.