Diarrhoea is one of the leading killers of children under five worldwide. And it's the poorest children, like in this community in Indonesia, who are most at risk.
But it is preventable. Simple steps like using showing children how and when to wash their hands properly can save lives.
In fact, tackling diarrhoea and the other big child killer, pneumonia, could save 2 million children's lives each year. Read our new report to find out how.
