Enterovirus B, HumanEnterovirus InfectionsEnterovirusEnteroviruses, PorcineEnterovirus A, HumanHand, Foot and Mouth DiseaseEnterovirus D, HumanEnterovirus, BovineEchovirus InfectionsMeningitis, AsepticPoliovirusHerpanginaPhylogenyMeningitis, ViralMolecular Sequence DataSequence Analysis, DNACoxsackievirus InfectionsSewageSerotypingMicrobial Sensitivity TestsRNA, ViralPolymerase Chain ReactionVirus CultivationWater MicrobiologyEchovirus 9Capsid ProteinsDNA, BacterialBacterial Typing TechniquesMolecular EpidemiologyRhinovirusPicornaviridaeAnti-Bacterial AgentsFecesDisease OutbreaksPicornaviridae InfectionsGenome, ViralBase SequenceGenotypeVirologyEchovirus 6, HumanElectrophoresis, Gel, Pulsed-Field