Polio 101: Signs, Symptoms, and Risks
CNN – Poliovirus, an ancient virus, has paralyzed and killed humans for centuries. Inscriptions on Egyptian pots show people withered on crutches. It hits children younger than 5 the hardest, the worst form of the virus causing nerve injury that can lead to paralysis, difficulty breathing, and death. During epidemics of the 20th century, the …