Guest post by Arwen Cross

“Cholera is frightened of a collar and tie” is an old saying in Mozambique, explains Jim Black. It’s not the dress-code that’s important, but the wealth it represents. Cholera, like other deadly forms of diarrhoea, is a poor man’s disease. Wealthier people have better living standards which include access to clean water and sanitation – the keys to avoiding diarrhoea. “I guess the moral of the story is to make people rich so they won’t get cholera anymore,” jokes Michael Emch. But since poverty is a difficult problem to solve, scientists are working out other ways to prevent this deadly disease. Continue reading →