A virus which causes poliomyelitis.
Organism that causes poliomyelitis.
One of a small group of RNA containing viruses causing poliomyelitis. They are included within the picornavirus group.
The etiological agent of poliomyelitis, separable into three serotypes based on the specificity of the neutralizing antibody. The three serotypes are types I, II, and III. A virus once found worldwide, it spreads directly or indirectly from infected persons or convalescent carriers. Epidemics of poliomyelitis that were characteristic of this virus have been greatly reduced by the poliovirus vaccine.