ToxocariasisToxocaraToxocara canisLarva Migrans, VisceralAntibodies, HelminthEye Infections, ParasiticCentral Nervous System HelminthiasisLarva MigransFeverAscariasisAntigens, HelminthSeroepidemiologic StudiesEosinophiliaThiabendazolePicaChild, AbandonedEnzyme-Linked Immunosorbent AssayAnthelminticsQ FeverAlbendazoleAscaris lumbricoidesChoroid HemorrhageFood ParasitologyYellow FeverTyphoid FeverDogsImmunoglobulin GArgentina