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Globally, cholera epidemics continue to challenge disease control.
In August 2015, an outbreak of cholera was reported in Tanzania.
Protracted conflicts in the Middle East and North Africa (MENA) region have left tens of millions of people in need of humanitarian
Globally, an estimated 2.5 billion people lack access to improved sanitation.
Household water treatment (HWTS) methods, such as boiling or chlorination, have long been recommended in emergencies.