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Objective To investigate the concentration of residual chlorine in drinking water supplies in refugee camps, South Sudan, March–Apri
Diarrhea and acute respiratory infections account for nearly 30% of deaths among children displaced by humanitarian emergencies.
After a series of earthquakes devastated Port-au-Prince, Haiti, on 12 January 2010, safe excreta disposal became an urgent priority.
In peri-urban Monrovia, contaminated hand-dug wells were contributing to cholera outbreaks.