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Fourteen years of civil war left Liberia with crumbling infrastructure and one of the weakest health systems in the world.
Introduction A cholera epidemic began in Haiti over 8 years ago, prompting numerous, largely quantitative research studies.
When responding to an emergency situation, ensuring safe excreta disposal is an urgent priority in the disaster relief effort.
Recent investigations into the March 2003 outbreak of SARS in Hong Kong have concluded that environmental factors played an importan