Protozoan InfectionsIntestinal Diseases, ParasiticHelminthsHelminthiasisGiardia lambliaYemenAmoebozoaEntamoeba histolyticaEntamoebiasisGiardiasisEukaryotaFecesCryptosporidiosisProtozoan Infections, AnimalPrevalenceProtozoan ProteinsDNA, ProtozoanCiliophoraGenes, ProtozoanRNA, ProtozoanGenome, ProtozoanTrypanosoma cruziChagas DiseaseAntiprotozoal AgentsTrypanocidal AgentsTrypanosomiasis, AfricanChagas CardiomyopathyTrypanosomiasis