A Simple Pill Saves Children's Lives

Dramatic Difference
Aisete Traoré's son was one of the village's last diarrhea victims. When another son developed identical symptoms this year, she grew terrified. But once she started administering tablets to him, she says, "he came back to life." She is photographed here with her baby girl Aissetan.

• Diarrhea: The Great Zinc Breakthrough