ToxoplasmaToxoplasmosisToxoplasmosis, AnimalImmunocompetenceToxoplasmosis, CerebralAntibodies, ProtozoanProtozoan ProteinsToxoplasmosis, CongenitalToxoplasmosis, OcularAntigens, ProtozoanHost-Parasite InteractionsProtozoan VaccinesSulfadiazineDNA, ProtozoanNeosporaCoccidiostatsPregnancy Complications, ParasiticGenes, ProtozoanSeroepidemiologic StudiesOocystsApicomplexaAntiprotozoal AgentsSpiramycinImmunocompromised HostImmunoglobulin MImmunoglobulin GChorioretinitisInterferon-gammaMice, Inbred BALB CMice, Inbred C57BLCoccidiosisOrganellesEnzyme-Linked Immunosorbent AssayCat DiseasesLife Cycle StagesVacuolesMolecular Sequence DataSarcocystisParasitesFood ParasitologyEncephalitisSerologic TestsIleitisPolymerase Chain ReactionMacrophagesCatsVirulenceCells, CulturedSulfanilamidesAgglutination TestsLung Diseases, ParasiticAtovaquoneMice, Inbred CBAInterleukin-12ParasitologyPyrimethamineSarcocystosisFibroblastsImmunity, InnateAborted FetusSpleenPregnancyAntiparasitic AgentsAmino Acid SequenceParasite LoadMice, KnockoutBrainCryptosporidium parvumSarcocystidaeDisease Models, AnimalNucleoside-TriphosphataseLymphadenitisGenome, ProtozoanEimeria tenellaFluorescent Antibody Technique, IndirectCystsGene Knockout TechniquesFluorescent Antibody TechniqueAcute DiseaseIsosporaImmunity, CellularSensitivity and SpecificityOttersPetsSheep DiseasesProtozoan InfectionsCytokinesMacrophage ActivationMice, SCIDT-LymphocytesEimeriaAbortion, VeterinarySpores, ProtozoanAIDS-Related Opportunistic InfectionsAntibody AffinityParasitic Sensitivity TestsNeuroaspergillosisUracilPneumocystisPneumocystis Infections