title: Revised WHO drinking-water guidelines to help prevent water-related outbreaks and disease.
mesh_terms: D019049:Developed Countries; D003906:Developing Countries; D004196:Disease Outbreaks / Q000517:prevention & control*; D017408:Guidelines as Topic; D014871:Water Microbiology; D018508:Water Purification / Q000592:standards*; D014944:World Health Organization