Remedy for a Deadly Disease

Diarrheal diseases are the second leading killer of young children in the developing world, but a simple remedy costs a tiny fraction of medications for big-name illnesses. Our report on the challenges of delivering treatment prompted readers to lament the lack of clean water and the abundance of human beings

The cover headline for your story on why diarrhea kills millions of children every year was meant to be the remedy for the condition: "A Fistful of Sugar + A Pinch of Salt + A Jug of Water" [Oct. 16]. The formula, however, was missing a crucial word:...