ToxocariasisToxocaraToxocara canisHelminthsHelminthiasisLarva Migrans, VisceralAntibodies, HelminthEye Infections, ParasiticHelminthiasis, AnimalAscariasisCentral Nervous System HelminthiasisIntestinal Diseases, ParasiticAscaris lumbricoidesAnthelminticsTrichurisAntigens, HelminthLarva MigransTrichuriasisNematospiroides dubiusAncylostomatoideaAlbendazoleStrongylida InfectionsTherapy with HelminthsHookworm InfectionsEosinophiliaPicaNematode InfectionsThiabendazoleSeroepidemiologic StudiesFilarioideaFilariasisHelminth ProteinsEnzyme-Linked Immunosorbent AssayCestodaParasite Egg CountChild, AbandonedNippostrongylusImmunoglobulin ESchistosomiasisFood ParasitologyTrichinella spiralisSchistosomiasis mansoniChoroid HemorrhageSchistosoma mansoniTh2 CellsPrevalenceImmunoglobulin GSoilMebendazoleCestode InfectionsSchistosomaFecesNecatoriasisTrichinellosisDogsMansonelliasisStrongyloides stercoralisProtozoan InfectionsHymenolepiasisBrazilOxyuroideaTaeniasisBasophilsTrematode InfectionsArgentina