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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
Water chlorination is widely used in emergency responses to reduce diarrheal diseases, although communities with no prior exposure t
Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
Following the Asian tsunami of 26 December 2004, the vital domestic fresh-water wells in the coastal zone were either scoured out of