Great Lakes RegionOntarioNew YorkLakesFresh WaterClostridium botulinum type EFish DiseasesNew York CityEutrophicationWater MicrobiologyCichlidsGeologic SedimentsZooplanktonCanadaPhytoplanktonPhylogenyEcosystemSeasonsHeart FailureSeptember 11 Terrorist AttacksPopulation SurveillanceNew JerseyDominican RepublicEnvironmental MonitoringRisk FactorsAfrica, EasternRNA, Ribosomal, 16SDisease OutbreaksRetrospective StudiesTime FactorsPerchesMicrocystisQuestionnairesUrban PopulationSequence Analysis, DNAPlanktonAntarctic RegionsFishesTreatment OutcomeWater Pollutants, ChemicalPrevalenceUrban HealthDNA, RibosomalTerrorismHispanic AmericansLogistic ModelsResidence CharacteristicsFloridaSeverity of Illness IndexDNA, BacterialFollow-Up StudiesCohort StudiesRaccoonsWater PollutantsPhysician's Practice PatternsCross-Sectional StudiesMolecular Sequence DataAge FactorsWest Nile FeverHospitals, MunicipalMicrocystinsEnvironmental ExposureWater PollutionIncidenceCattle DiseasesHospitals, UrbanWest Nile virusHospitalizationState Health PlansSocioeconomic FactorsCluster AnalysisUnited States