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Background: The coronavirus disease (COVID-19) pandemic poses a grave threat to refugees and internally displaced persons (IDPs).
Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
When responding to an emergency situation, ensuring safe excreta disposal is an urgent priority in the disaster relief effort.
After a series of earthquakes devastated Port-au-Prince, Haiti, on 12 January 2010, safe excreta disposal became an urgent priority.
Changes in water quality of a sand aquifer on the east coast of Sri Lanka due to the 26 December 2004 tsunami and subsequent remedia
In peri-urban Monrovia, contaminated hand-dug wells were contributing to cholera outbreaks.