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Currently, the emergence of a novel human coronavirus, SARS-CoV-2, has become a global health concern causing severe respiratory tra
Cholera has been eliminated as a public health problem in high-income countries that have implemented sanitation system separating t
Background In October 2010, Haiti was struck by a large-scale cholera epidemic.
Objective To investigate the concentration of residual chlorine in drinking water supplies in refugee camps, South Sudan, March–Apri