GiardiaGiardia lambliaGiardiasisCryptosporidiumTrophozoitesFecesCryptosporidiosisSex Determination ProcessesCryptosporidium parvumOocystsProtozoan ProteinsProtozoan InfectionsMolecular Sequence DataDNA, ProtozoanChromatography, High Pressure LiquidSex Determination AnalysisParasitologyAntigens, ProtozoanAntiprotozoal AgentsCalibrationRNA, ProtozoanSensitivity and SpecificityZoonosesDiplomonadidaAmino Acid SequenceBase SequenceWater SupplyGiardiavirusGenome, ProtozoanEntamoebaSpores, ProtozoanGenes, ProtozoanReproducibility of ResultsTriose-Phosphate IsomeraseGerbillinaeEntamoeba histolyticaIndicators and ReagentsFlow Injection AnalysisWaterPhylogenyDiarrheaPolymerase Chain ReactionParasite Egg CountTime FactorsSpecies SpecificityTrichomonas vaginalisMetronidazoleLimit of DetectionReference StandardsSpectrophotometry, UltravioletMethodsSequence Analysis, DNAAntibodies, ProtozoanDog DiseasesWater MicrobiologyFluorescent Antibody Technique, DirectWater Pollution