Conquering Polio

Caused by contaminated food, water, or exposure to someone with the virus, polio is a deadly virus that has seen near eradication thanks to the development of the polio vaccine. American scientists Jonas Salk and Albert Sabin are primarily credited for their breakthroughs that led to the creation of vaccines that have saved millions of lives. Learn more about their research efforts, the vaccines they developed, and the impact on worldwide health.