HelminthsSchistosomaMetastrongyloideaHelminth ProteinsSchistosoma mansoniAngiostrongylusFasciola hepaticaAscaris suumAntigens, HelminthNematospiroides dubiusHelminthiasisNippostrongylusHelminthiasis, AnimalSchistosomiasis mansoniTherapy with HelminthsTh2 CellsEosinophilsIntestinal Diseases, ParasiticTrichurisAntibodies, HelminthAncylostomatoideaMice, Inbred C57BLAnthelminticsStrongylida InfectionsNematode InfectionsCestodaParasite Egg CountAlbendazoleProtozoan InfectionsFilarioideaCestode InfectionsFilariasisSchistosomiasisTrematodaFecesDNA, HelminthTrematode InfectionsNecator americanusHost-Parasite InteractionsSoilNematodaParasitic DiseasesTrichinella spiralisStrongyloides stercoralisHymenolepiasisParasitologyTaeniaNecatoriasisAscaris