SchistosomiasisSnailsSchistosomaEgyptSchistosomiasis mansoniMolluscacidesSchistosomiasis haematobiaEpidemiologyCongoSchistosomiasis japonicaSchistosoma mansoniPraziquantelSchistosoma haematobiumSchistosomicidesLiver Diseases, ParasiticSchistosoma japonicumEcologyParasite Egg CountAnthelminticsBiomphalariaOxamniquineSplenic DiseasesAntigens, HelminthAntibodies, HelminthBulinusDisease VectorsNeuroschistosomiasisEndemic DiseasesHepatomegalyGranulomaHelminthiasisNeglected DiseasesNiclosamideBrazilNiridazoleFecesHelminth ProteinsAntiplatyhelmintic AgentsPrevalence