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Introduction: The major aim of hand washing promotion programs is to persuade people to change their behaviour to reduce high-risk h
Internally displaced persons (IDPs) are often predisposed to infectious diseases because of the temporary nature of their abode whic
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