This document discusses polio, including its symptoms, epidemiology, vaccines and prevention efforts, and the global collaboration to combat the disease. It provides a timeline of key developments in understanding and treating polio from ancient times to modern eradication efforts. Charts and maps show the decline in polio cases worldwide following the launch of mass vaccination campaigns in the late 1980s. The global goal is to completely eradicate wild poliovirus while continuing surveillance and use of inactivated polio vaccines.