ColiphagesLeviviridaeRNA PhagesInoviridaeWater PollutionWater MicrobiologyLaboratoriesSewageWaste Disposal, FluidF FactorPseudomonas PhagesBacteriophage P2EnterovirusFlocculationGeeseFecesBacteriophagesLaboratories, HospitalLysogenyLevivirusEnterobacteriaceaeClinical Laboratory TechniquesAnimals, LaboratoryFiltrationVirusesRNA VirusesEnvironmental MonitoringEscherichia coliChloroformViral Plaque AssayMedical Laboratory PersonnelAir MicrobiologyFresh WaterMicrobiological TechniquesWater SupplyDNA VirusesRiversEnterococcusClinical Laboratory Information SystemsSeawaterVirus CultivationMolecular Sequence DataDNA, ViralGenome, ViralSerotypingColony Count, MicrobialBacteriaSeasonsBase SequenceRNA, ViralLaboratory PersonnelRibonucleasesPhylogenyCulture MediaLaboratory Proficiency TestingLaboratory Animal ScienceQuality ControlBirdsChemistry, ClinicalViral ProteinsReverse Transcriptase Polymerase Chain ReactionMedical Laboratory ScienceHot TemperatureCattleClinical Laboratory ServicesNucleic Acid ConformationMicrobiologyAmino Acid SequenceHydrogen-Ion ConcentrationSensitivity and SpecificityLaboratories, DentalSpecimen HandlingPathology, ClinicalReproducibility of ResultsEvaluation Studies as Topic