What to Know About Polio: Vaccines, Symptoms and How It Spreads - The New York Times

A recent case in a New York suburb has reignited concerns over the disease.

The C.D.C. estimates that one in 200 people with polio experience paralysis or weakness in the arms, legs or both. Paralysis typically occurs on one side of the body, said Dr. Gail Shust, a pediatric… [+2481 chars]

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