SanitationWater PollutionWater SupplyRiversWater QualityWaterDentinal FluidWater Pollutants, ChemicalWater PurificationWater PollutantsWater MicrobiologyEnvironmental MonitoringAir PollutantsFresh WaterEnvironmental PollutantsEquipment ContaminationBody WaterFood ContaminationDrug ContaminationAbortion, CriminalUnsafe SexRoss River virusWater MovementsSoil PollutantsNitrogen DioxideOzoneEnvironmental ExposureAir PollutionSulfur DioxideDNA ContaminationParticulate MatterSafetyEquipment ReuseEnvironmental PollutionSeasonsDisinfectionPolychlorinated BiphenylsWater DeprivationMedical Waste DisposalVehicle EmissionsHydrocarbons, ChlorinatedMetals, HeavySewageFishesWater Pollution, ChemicalAbortion, InducedBacteriaDrinkingWater SofteningEpidemiological MonitoringGeologic SedimentsBiodegradation, EnvironmentalEcosystemSeawaterOrganic ChemicalsPolycyclic Hydrocarbons, AromaticIndustrial WasteAir Pollution, IndoorFiltrationBrazilFood MicrobiologySyringesInjectionsWater Pollutants, RadioactiveSoilTime FactorsAir Pollutants, OccupationalColony Count, MicrobialCitiesTemperatureDisposable EquipmentParticle SizeUnited States Environmental Protection AgencyOperating Room NursingChlorineDrinking WaterAquaporinsWaste WaterHygieneAbortion ApplicantsBlood-Borne PathogensDecontaminationRisk-TakingAir MicrobiologyFecesGeographyUrban HealthRainHazardous SubstancesWater Wells