The distance we’re able to maintain from our feces allows us the luxury of forgetting, but four in ten people have no sanitation, not even an outhouse or a pit..
I noted in my post about Pakistan that a shortage of clean water for millions of flood victims may lead to outbreaks of diarrheal diseases. It's worth getting into the issue of how unclean water causes these diseases. Basically, the problem is water contaminated by human feces.