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Globally, an estimated 2.5 billion people lack access to improved sanitation.
The international response to Haiti’s ongoing cholera outbreak has been multifaceted, including health education efforts by communit
After a series of earthquakes devastated Port-au-Prince, Haiti, on 12 January 2010, safe excreta disposal became an urgent priority.
Recent investigations into the March 2003 outbreak of SARS in Hong Kong have concluded that environmental factors played an importan