GiardiaGiardia lambliaGiardiasisCryptosporidiumTrophozoitesFecesCryptosporidiosisCryptosporidium parvumMolecular Sequence DataProtozoan InfectionsOocystsProtozoan ProteinsDNA, ProtozoanPlant DiseasesZoonosesPhylogenyHost-Pathogen InteractionsParasitologyAntigens, ProtozoanAntiprotozoal AgentsVirulenceRNA, ProtozoanDiarrheaSequence Analysis, DNAGenome, ProtozoanDiplomonadidaAmino Acid SequenceBase SequenceSpores, ProtozoanPolymerase Chain ReactionEntamoebaWater SupplyGenes, ProtozoanEntamoeba histolyticaGiardiavirusBacterial ProteinsGerbillinaeSpecies SpecificityBacteriaTriose-Phosphate IsomeraseImmunity, InnateTrichomonas vaginalisWater MicrobiologyParasite Egg CountParasitic Diseases, AnimalDisease ReservoirsVirulence FactorsMetronidazoleEukaryotaHost-Parasite InteractionsWater PollutionEvolution, MolecularDog DiseasesBacterial InfectionsSequence AlignmentAntibodies, ProtozoanAscomycotaAntigenic VariationSewageFluorescent Antibody Technique, DirectCattle Diseases