GiardiaGiardia lambliaGiardiasisCryptosporidiumTrophozoitesFecesCryptosporidiosisCryptosporidium parvumOocystsProtozoan ProteinsProtozoan InfectionsDNA, ProtozoanParasitologyAntigens, ProtozoanAntiprotozoal AgentsRNA, ProtozoanDiplomonadidaGiardiavirusGenome, ProtozoanEntamoebaSpores, ProtozoanGenes, ProtozoanTriose-Phosphate IsomeraseEntamoeba histolyticaWater SupplyGerbillinaeZoonosesParasite Egg CountTrichomonas vaginalisDiarrheaMetronidazoleMolecular Sequence Data