Hey, thanks for asking this, I obviously didn’t explain this very well in my profile! Polio is a disease caused by a virus. When children get infected by the virus, they can develop disease, which can vary from not being able to walk to sometimes dying. The virus affects the muscles, so if they can’t walk, this would be the leg muscles, and death comes from not being able to breathe, this is becuase the muscles that control the lungs don’t work.
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