Jonas Salk Conquering Polio

Jonas Salk Conquering Polio

Code: LER-YAL-E-00009



Product Description

"In the 1940s and 1950s, Americans desperately needed a certain kind of hero. Polio was terrorizing the country every summer. Despite the hard work of many doctors and scientists, no one could find a way to stop it. Then a medical researcher named Jonas Salk took on the challenge of discovering a polio vaccine. By Stephanie Sammartino McPherson"