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The Zimbabwean government and a number of organisations responded in various ways to the devastation done by Cyclone Idai, which occ
Introduction: The major aim of hand washing promotion programs is to persuade people to change their behaviour to reduce high-risk h
Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice