World News with Diane Sawyer

Rotavirus Vaccine Offers Hope in Nicaragua

Trace a rotavirus vaccine's winding path through Nicaragua.

Vaccine Treats Diarrheal Disease Which Causes Widespread Deaths in Children

Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Bill and Melinda Gates Foundation
Traveling by truck: The journey continues by truck as the vaccine makes its way through Jinotega, Nicaragua, a town one hundred miles northwest of Managua. It took ten years of research and sixteen years of development before scientists could make the vaccine available to children. (Bill and Melinda Gates Foundation)
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