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Fourteen years of civil war left Liberia with crumbling infrastructure and one of the weakest health systems in the world.
Background: The coronavirus disease (COVID-19) pandemic poses a grave threat to refugees and internally displaced persons (IDPs).
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
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice