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Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
Dispensers are a source-based water quality intervention with promising uptake results in development contexts.
Mount Sinabung erupted in September 2013, causing the mass evacuation of more than 30,000 people.
A simple method for filtering water to reduce the incidence of cholera was tested in a field trial in Matlab, Bangladesh, and proved