poliomyelitis

A highly infectious viral disease that chiefly affects children and, in its acute forms, causes inflammation of motor neurons of the spinal cord and brain stem, leading to paralysis, muscular atrophy, and often deformity. Through vaccination, the disease is preventable.

Inflammation of the gray matter of the spinal cord.

Acute infection by the poliovirus, especially of the motor neurons in the spinal cord and brainstem, leading to muscle weakness, paralysis and sometimes deformity.

an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord