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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
Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
Menstrual hygiene is a vital as well as a very sensitive issue for women in reproductive ages.
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