Polio loomed over the 20th century. While it was often asymptomatic, polio could cause paralysis. FDR contracted polio yet still became President.
GM POLIO
$19.95
Description
Polio loomed over the 20th century. While it was often asymptomatic, polio could cause paralysis. FDR contracted polio yet still became President. The great Jonas Salk developed the first polio vaccine in the 1950s. Today, thanks to a global eradication initiative, polio is now isolated to a few countries and is near its end!