The discovery of a vaccine for polio in the 1950s has prevented millions of cases of this severe paralyzing disease. The Discovery of the Polio Vaccine examines this historic advance from multiple perspectives, including those of Jonas Salk, Albert Sabin, and modern organizations working to wipe out polio once and for all. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of...