Enterovirus B, HumanEnterovirusEnterovirus InfectionsEnteroviruses, PorcineEnterovirus A, HumanHand, Foot and Mouth DiseaseEnterovirus D, HumanEnterovirus, BovineEchovirus InfectionsMeningitis, AsepticPoliovirusHerpanginaMeningitis, ViralCoxsackievirus InfectionsSewageVirus CultivationEchovirus 9RNA, ViralCapsid ProteinsRhinovirusPicornaviridaePicornaviridae InfectionsPhylogenyWater MicrobiologyEchovirus 6, HumanVirologyEncephalitis, ViralMolecular Sequence Data5' Untranslated RegionsParalysisSerotypingGenome, ViralCerebrospinal FluidSequence Analysis, DNAWater PollutionVirusesPoliomyelitisParechovirusFecesDisease OutbreaksConjunctivitis, Acute HemorrhagicReverse Transcriptase Polymerase Chain ReactionConjunctivitisAntibodies, ViralPolymerase Chain ReactionNeutralization TestsShellfishCytopathogenic Effect, ViralMyocarditis