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Poliomyelitis, or polio, is an inflammation of the spinal cord caused by a virus. Once quite prevalent, polio is now rare thanks to immunization.



Poliomyelitis (polio) is a highly contagious viral infection with a wide range of manifestations. Some patients are asymptomatic while others suffer from symptoms such as fever, headache or gastrointestinal problems. In more serious cases, severe muscle pain and stiffness of the back and neck, with or without paralysis can occur. The paralysis may be permanent.
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