Polio [PO-lee-oh] is a viral disease that can damage the nervous system and cause paralysis.
The polio virus enters the body through the mouth, usually from hands contaminated with the stool of an infected person.
Polio is preventable by immunization.
Since polio immunization has become widespread in the United States, cases of polio are rare. However, polio remains a problem in many parts of the world.
What is polio?
Polio, short for poliomyelitis, is a disease that can damage the nervous system and cause paralysis. Since polio immunization...
