Viruses in water.
D004203:Disinfection / Q000379:methods*; D004769:Enterovirus Infections / Q000517:prevention & control*; D005618:Fresh Water; D006801:Humans; D013242:Sterilization / Q000379:methods*; D006113:United Kingdom; D014865:Waste Disposal, Fluid; D014871:Water Microbiology