Polio

poliomyelitis

? Poliovirus Virus classification Group: Group IV ((+)ssRNA) Family: Picornaviridae Genus: Enterovirus Species: Poliovirus Poliomyelitis, often called polio or infantile paralysis, is a viral paralytic disease. The causative agent, a virus called poliovirus (PV), enters the body orally, infecting the intestinal wall. It may proceed to the blood stream and into the central nervous system causing muscle weakness and often paralysis. An ancient disease, it was first rec ...