Toxoplasmosis, OcularToxoplasmosisToxoplasmosis, CongenitalChorioretinitisToxoplasmaToxoplasmosis, CerebralToxoplasmosis, AnimalUveitis, PosteriorChoroiditisAntibodies, ProtozoanUveitis, AnteriorSulfadiazineAntiprotozoal AgentsAqueous HumorPregnancy Complications, ParasiticUveitisEyeRetinitisImmunoglobulin MVitreous BodyDNA, ProtozoanImmunoglobulin GAntigens, ProtozoanFundus OculiUveitis, IntermediateEnzyme-Linked Immunosorbent AssayEye DiseasesLung Diseases, ParasiticVisual AcuityOcular HypertensionAIDS-Related Opportunistic InfectionsSeroepidemiologic Studies