Hygienic sanitation facilities are crucial for public health. Despite big improvements , inequalities between and within countries and regions persist, and globally 4.5 billion people still lack safely managed sanitation.

Even more, especially children, get sick by coming into contact with human excreta within their communities through open defecation, flooded latrines and untreated wastewater. Each year, this causes millions of preventable deaths, and increases rates of morbidity and disability from diarrhoea and neglected tropical diseases.

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Photo credit: DFID – UK Department for International Development via Foter.com / CC BY