What happens during polio?

None to Paralysis. Most people who get infected with Polo72% will have no symptoms and will recover completely 1 in 4 may have fever, sore throat, headche and nausea which may last for 2to5 days Smaler portion will have very serious symptoms due to involvement of Brain and Spinal cord causing Pins and needles in legs Meningitis in 1in25 Paralysis in arms and legs or both occurs 1 in 200, can lead to disability or death.
A Serious Infection. Polio is an an infection that can cause death from muscle paralysis of the chest muscles. The disease may cause permanant varying degrees of paralysis. Due to immunizations, it is almost eradicated worldwide, with pockets on africa and asia.