To review systematically the effects of any treatment for PPS compared to placebo, usual care or no treatment.
Different types of paralysis may occur, depending on the nerves involved.
Spinal polio is the most common form, characterized by asymmetric paralysis that most often involves the legs.
Although approximately 90% of polio infections cause no symptoms at all, affected individuals can exhibit a range of symptoms if the virus enters the blood stream.
In about 1% of cases, the virus enters the central nervous system, preferentially infecting and destroying motor neurons, leading to muscle weakness and acute flaccid paralysis.