Giardia lambliaGiardiaGiardiasisProtozoan InfectionsCryptosporidiumProtozoan ProteinsTrophozoitesDNA, ProtozoanFecesRNA, ProtozoanCryptosporidiosisEukaryotaGenes, ProtozoanCryptosporidium parvumGenome, ProtozoanOocystsEntamoeba histolyticaAntiprotozoal AgentsCiliophoraAntigens, ProtozoanEntamoebaParasitologyProtozoan Infections, AnimalSpores, ProtozoanTrichomonas vaginalis