Health
Marching to a Different Mission
When the Salk polio vaccine proved to be effective in 1955, the National Foundation for Infantile Paralysis had to choose whether to close up shop or to pursue a new agenda. The foundation first broadened its mission, but lost donations, volunteers, and public support. After honing its mission to birth defects, however, it recovered. Here's how the organization that eventually became the March of Dimes planned – and survived – its transitions.