Ascaris suumAscarisAscaris lumbricoidesAscariasisAscaridoideaAscaridida InfectionsRaccoonsAscaridiasisLarva MigransToxocaraCentral Nervous System HelminthiasisAnthelminticsAscaridiaToxocariasisProcyonidaeIntestinal Diseases, ParasiticNematode InfectionsToxocara canisParasite Egg CountDNA, HelminthHelminthiasis, AnimalNematodaPetsHelminthsAntibodies, Helminth