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Polio |
Poliomyelitis, or polio, is a paralysis or paralytic disease caused by viruses. Carrier agent, the disease is a virus called poliovirus (PV), enters the body through the mouth, infecting the intestinal tract. The virus can enter the bloodstream and flows into the central nervous system causing muscle weakness and sometimes paralysis.
The word "polio" is derived from [Greek] or its more recent, from the "gray" and "spotting". Polio disease caused by infection with polio virus derived from the genus Enterovirus and the family Picorna viridae. The virus is transmitted through the feces (stool) or throat secretions of infected people. Polio virus entered through saliva causing infection.