This Sunday is one of those international awareness days you don't hear much about. Football teams won't wear a particular color, Google won't change its logo and newspapers probably won't devote their front page to the cause. But its importance and relevance are nonetheless profound.
Creating more sustained awareness is one of the keys to better public health. Diarrhea is the second leading cause of death in children aged under five years and much of this is preventable. This is one reason why World Health Day this year is focused on food safety.