OocystsCryptosporidium parvumCryptosporidiumCryptosporidiosisCoccidiaEimeriaSurvival RateCell SurvivalCoccidiosisGiardiaIsosporaDisease-Free SurvivalParasite Egg CountFecesSurvivalParasitologySurvival AnalysisGraft SurvivalCyclosporaEucoccidiidaWater SupplyWaterDNA, ProtozoanWater PurificationTreatment OutcomeFresh WaterEimeriidaeFiltrationTime FactorsCyclosporiasisKaplan-Meier EstimateWater PollutionDisinfectionRetrospective StudiesEimeria tenellaGiardiasisToxoplasmaPotassium DichromateSporozoitesImmunomagnetic SeparationNeoplasm StagingSpores, ProtozoanProportional Hazards ModelsAnophelesFluorescent Antibody Technique, DirectSewageIsosporiasisFollow-Up StudiesCattle DiseasesRNA, Ribosomal, 18SToxoplasmosis, AnimalApicomplexaCattleAntibodies, ProtozoanMineral WatersBenzophenoneidumApoptosisAntineoplastic Combined Chemotherapy ProtocolsPolymerase Chain ReactionWater MicrobiologyCombined Modality TherapyChlorine CompoundsRiversPropidiumPlasmodium bergheiPrognosisStaining and LabelingLife Cycle StagesAntigens, ProtozoanUnionidaeNeoplasm Recurrence, LocalLung NeoplasmsYukon TerritoryGiardia lambliaSoil