GiardiaGiardia lambliaGiardiasisCryptosporidiumCystsOocystsYukon TerritoryCryptosporidiosisSpores, ProtozoanCryptosporidium parvumWater SupplyFecesFiltrationCyst FluidParasitologyParasite Egg CountSewageMicropore FiltersOvarian CystsWaterTrophozoitesDNA, ProtozoanWater PollutionEpidermal CystWater PurificationGerbillinaeFresh WaterWaste Disposal, FluidWater MicrobiologyMediastinal CystRiversFluorescent Antibody TechniqueSynovial CystBone CystsProtozoan ProteinsProtozoan InfectionsBronchogenic CystDermoid CystEnvironmental MonitoringEscherichia coli O157Antiprotozoal AgentsAntigens, ProtozoanRNA, ProtozoanDiplomonadidaEntamoeba