Protozoan InfectionsIntestinal Diseases, ParasiticHelminthsHelminthiasisGiardia lambliaYemenAmoebozoaEntamoeba histolyticaEntamoebiasisGiardiasisFecesEukaryotaCryptosporidiosisProtozoan Infections, AnimalPrevalenceProtozoan ProteinsAnti-Bacterial AgentsAntibiotic ProphylaxisDNA, ProtozoanCiliophoraGenes, ProtozoanRNA, ProtozoanMicrobial Sensitivity TestsGenome, ProtozoanDrug Resistance, BacterialDrug Resistance, MicrobialBacteria